Another Word for Based: 30 Synonyms With Examples
When you mean “based on,” use the everyday alternatives founded on, built on, and grounded in. For location, use “located in” or headquartered in in place of “based in.” The right choice depends on which job “based” is doing in your sentence.
“Based” appears in several patterns: “based on” (where an idea comes from), “based in” (where a person or company works from), and ” based” (the main part of something, as in “plant based”). It also works as a way to say a decision depends on evidence or facts. This article covers each of those uses.
Quick list: founded on, built on, grounded in, derived from, supported by, driven by, inspired by, located in, headquartered in, centered on
Below, you will find 30 alternatives with meanings, IPA, usage notes, examples, and context. Some are direct synonyms for one pattern of “based,” while others are related phrases that fit only certain situations.
At a Glance: Based Synonyms and Related Alternatives
| Alternative | Part of Speech | Meaning | Register / Tone | Ideal Context |
| Founded on | Participial phrase | Built on a basic idea or fact | Neutral to formal | Beliefs, claims, arguments |
| Grounded in | Participial phrase | Firmly supported by something real | Neutral to formal | Theories, advice, research |
| Derived from | Participial phrase | Taken or developed from a source | Neutral to formal | Words, ideas, products |
| Supported by | Participial phrase | Backed up by evidence | Neutral | Claims, results, decisions |
| Driven by | Participial phrase | Mainly caused or guided by | Neutral | Data, goals, strategy |
| Located in | Participial phrase | Found in a certain place | Neutral | Offices, shops, schools |
| Headquartered in | Participial phrase | Having its main office in a place | Formal, business | Companies, organizations |
| Inspired by | Participial phrase | Created after an idea or example | Neutral | Films, books, designs |
| Adapted from | Participial phrase | Changed to suit a new form | Neutral | Books to films, recipes |
| Centered on | Participial phrase | Having something as the main point | Neutral | Plans, stories, programs |
Which Word Should You Use?
| If you want to… | Use | Why |
| Say an idea rests on facts or beliefs | Founded on | It is the closest match to “based on.” |
| Show a claim has real support | Grounded in | It suggests solid, real world backing. |
| Say a company has its main office somewhere | Headquartered in | It is precise and businesslike. |
| Say where a shop or school is | Located in | It simply names the place. |
| Say a film comes from a book | Adapted from | It shows the story was changed for a new form. |
| Say a choice follows data | Driven by | It shows data is the main cause. |
| Say something depends on a condition | Depending on | It signals “it changes if the condition changes.” |
| Sound formal in academic or legal writing | Predicated on | It is a formal, precise choice. |
Exploring the Multiple Meanings of “Based”
1. Founded On or Taken From Something
- Meaning: Using something as a source, starting point, or foundation.
- Explanation: This is the most common sense, usually in “based on.” It is used for stories, ideas, laws, and designs that come from an earlier source.
- Example: The movie is based on a children’s book.
2. Having a Main Place of Work or Operation
- Meaning: Having a particular place as a main location or home base.
- Explanation: This sense uses “based in” or “based at.” It applies to companies, people, and military units. “In” usually goes with a city or country, and “at” with a specific site.
- Example: She is based in Toronto but travels often.
3. Using Something as a Reason
- Meaning: Making a choice or judgment because of certain facts or evidence.
- Explanation: Here, “based on” works like “because of” or “considering.” The thing after “on” is the reason or proof.
- Example: Based on the test results, the doctor changed the treatment.
4. Having Something as the Main Part
- Meaning: Having a particular thing as the main ingredient, method, or feature. This sense appears in compounds ending in ” based.”
- Explanation: In this pattern, the word before ” based” names the main part or method, as in “plant based,” “web based,” or “evidence based.” The hyphen is normal before a noun.
- Example: The restaurant serves plant based meals.
5. A Bold or Independent Person (Internet Slang)
- Meaning: In informal internet slang, describing a person or opinion as bold and true to oneself, whatever others think.
- Explanation: This is a newer, informal sense found mainly online. Its meaning and tone can change depending on who uses it, so avoid it in formal writing.
- Example: Many people called his answer based because he refused to follow the crowd.
Sources: Merriam Webster, Collins Dictionary, Dictionary.com
Analyzing 30 Based Alternatives in Detail
Some alternatives below are direct synonyms for the pattern “based on,” while others are related phrases that fit only a specific meaning of “based.”
Foundation and Source Terms — Synonyms for “Based On”
If you need another word for “based on,” these foundation and source-related synonyms can help you choose the right expression. Each term has a slightly different meaning and works best in specific contexts.
1. Founded On
IPA: US /ˈfaʊndɪd ɑːn/ · UK /ˈfaʊndɪd ɒn/
Definition: Having something as its foundation, basis, or starting point.
Usage: “Founded on” is one of the closest synonyms for “based on.” It has a neutral-to-formal tone and commonly describes beliefs, claims, principles, systems, and laws.
Example: The company’s success is founded on trust.
2. Built On
IPA: US /bɪlt ɑːn/ · UK /bɪlt ɒn/
Definition: Developed or established using something as a foundation or support.
Usage: “Built on” is a natural and commonly used alternative to “based on.” It has an everyday, figurative tone and often suggests that something develops gradually from a strong foundation.
Example: Their friendship was built on shared interests.
3. Grounded In
IPA: /ˈɡraʊndɪd ɪn/ (US and UK)
Definition: Firmly supported by, connected to, or based on something real, reliable, or well-supported.
Usage: “Grounded in” works well when describing ideas, advice, opinions, research, evidence, and decisions. It emphasizes a solid and reliable foundation.
Example: Her advice is grounded in years of experience.
4. Rooted In
IPA: /ˈruːtɪd ɪn/ (US and UK)
Definition: Having a deep source, origin, or connection to something.
Usage: “Rooted in” is a related synonym for “based on” that emphasizes a deep, lasting, or long-standing origin. It commonly describes traditions, beliefs, habits, cultures, and social issues.
Example: The festival is rooted in an old harvest tradition.
5. Derived From
IPA: US /dɪˈraɪvd frʌm/ · UK /dɪˈraɪvd frɒm/
Definition: Taken, developed, or obtained from a particular source.
Usage: “Derived from” is useful for words, products, concepts, materials, and ideas that originate from another source. It generally has a neutral-to-formal tone.
Example: The word “salary” is derived from the Latin word for salt.
6. Drawn From
IPA: US /drɔːn frʌm/ · UK /drɔːn frɒm/
Definition: Taken or obtained from a particular source, such as a book, experience, study, or collection of data.
Usage: “Drawn from” is a useful alternative to “based on” when describing information, examples, evidence, or ideas taken from a specific source. It is especially common in academic and professional writing.
Example: The examples in this lesson are drawn from real news stories.
Reasons and Evidence Terms (Based On Facts)
7. Supported by
IPA: US /səˈpɔːrtɪd baɪ/ · UK /səˈpɔːtɪd baɪ/
Definition: Backed up by evidence or proof.
- Usage: A related alternative. It shows that facts back up a claim, but it does not say the claim came from those facts.
- Example: The claim is supported by several studies.
8. Informed by
IPA: US /ɪnˈfɔːrmd baɪ/ · UK /ɪnˈfɔːmd baɪ/
Definition: Shaped by knowledge or information.
- Usage: A related alternative. It sounds thoughtful and suggests knowledge was one input, not the only one.
- Example: The new policy was informed by feedback from teachers.
9. Guided by
IPA: /ˈɡaɪdɪd baɪ/ (US and UK)
Definition: Led or directed by a rule, idea, or principle.
- Usage: A related alternative. It fits values and rules that steer decisions.
- Example: The team was guided by a simple rule: keep it clear.
10. Driven by
IPA: /ˈdrɪvn baɪ/ (US and UK)
Definition: Mainly caused or controlled by something.
- Usage: A related alternative, common in business. “Data driven” is close in meaning to “based on data,” but “driven by” stresses the main cause.
- Example: The company’s decisions are driven by customer needs.
11. Determined by
IPA: US /dɪˈtɝːmənd baɪ/ · UK /dɪˈtɜːmɪnd baɪ/
Definition: Decided or fixed by something.
- Usage: A related alternative that is stronger than “based on.” It shows the result depends directly on something else.
- Example: The price is determined by the weight of the package.
12. Depending on
IPA: US /dɪˈpɛndɪŋ ɑːn/ · UK /dɪˈpendɪŋ ɒn/
Definition: Changing according to a condition or situation.
- Usage: A related alternative. It shows that the result changes with the condition and does not mean the same thing as “based on.”
- Example: Depending on the weather, we may cancel the trip.
Formal Alternatives
13. Premised on
IPA: US /ˈprɛmɪst ɑːn/ · UK /ˈpremɪst ɒn/
Definition: Based on an assumption or starting idea.
- Usage: A formal synonym. It stresses that the base is an idea taken as true, not a proven fact.
- Example: The plan is premised on steady growth.
14. Predicated on
IPA: US /ˈprɛdɪkeɪtɪd ɑːn/ · UK /ˈpredɪkeɪtɪd ɒn/
Definition: Resting on a condition or assumption.
- Usage: A formal synonym used in academic, legal, and business writing. It is rare in everyday speech.
- Example: The deal is predicated on approval from the board.
15. On the basis of
IPA: US /ɑːn ðə ˈbeɪsɪs əv/ · UK /ɒn ðə ˈbeɪsɪs əv/
Definition: Because of or using something as the reason.
- Usage: A formal phrase that matches the “reason” sense of “based on.” It is common in official and legal writing.
- Example: The court decided on the basis of the written evidence.
16. Contingent on
IPA: US /kənˈtɪndʒənt ɑːn/ · UK /kənˈtɪndʒənt ɒn/
Definition: Depending on something that may or may not happen.
- Usage: A formal, related alternative. It shows a condition, not a source, so it does not mean “derived from.”
- Example: The offer is contingent on a successful interview.
17. According to
IPA: US /əˈkɔːrdɪŋ tuː/ · UK /əˈkɔːdɪŋ tuː/
Definition: As stated by a person or source.
- Usage: A related alternative. It names the source of information, such as in “based on the report,” but does not say the claim is built on that source.
- Example: According to the report, sales rose last year.
Location and Headquarters Terms (Based In)
18. Located in
IPA: US /ˈloʊkeɪtɪd ɪn/ · UK /ləʊˈkeɪtɪd ɪn/
Definition: Found or placed in a certain spot.
- Usage: The closest direct synonym for “based in” when talking about a place or business. It is neutral and clear.
- Example: The school is located in the center of town.
19. Headquartered in
IPA: US /ˈhɛdkwɔːrtərd ɪn/ · UK /ˌhedˈkwɔːtəd ɪn/
Definition: Having the main office in a certain place.
- Usage: A direct synonym used for companies and organizations. It is more specific than “based in” because it names the main office.
- Example: The airline is headquartered in Dallas.
20. Situated in
IPA: /ˈsɪtʃueɪtɪd ɪn/ (US and UK)
Definition: Placed in a particular position or place.
- Usage: A formal alternative for buildings, towns, and sites. It is more descriptive than “based in” and is less common for people.
- Example: The hotel is situated in a quiet valley.
21. Stationed at
IPA: /ˈsteɪʃənd æt/ (US and UK)
Definition: Placed at a certain location for duty, especially in the military.
- Usage: A related alternative. It fits soldiers, officers, and workers sent to a post, not companies.
- Example: He was stationed at a naval base in Japan.
22. Operating out of
IPA: US /ˈɑːpəreɪtɪŋ aʊt əv/ · UK /ˈɒpəreɪtɪŋ aʊt əv/
Definition: Working from a particular place as a home base.
- Usage: A related alternative for businesses, teams, and individuals. It suggests a working base and not an official headquarters.
- Example: The charity is operating out of a small rented office.
23. Residing in
IPA: /rɪˈzaɪdɪŋ ɪn/ (US and UK)
Definition: Living in a particular place.
- Usage: A related alternative for people only. It is formal and stresses where someone lives, not where they work.
- Example: The author is currently residing in Lisbon.
Inspiration and Adaptation Terms (Creative Works)
24. Inspired by
IPA: US /ɪnˈspaɪərd baɪ/ · UK /ɪnˈspaɪəd baɪ/
Definition: Created after the idea or example of something else.
- Usage: A related alternative. It is looser than “based on” and suggests the work only takes ideas, not the full story.
- Example: The film is inspired by a true event.
25. Adapted from
IPA: US /əˈdæptɪd frʌm/ · UK /əˈdæptɪd frɒm/
Definition: Changed to fit a new form, use, or medium.
- Usage: A close synonym for creative works. It shows a source was changed, such as a novel turned into a screenplay.
- Example: The series is adapted from a best selling novel.
26. Modeled on
IPA: US /ˈmɑːdld ɑːn/ · UK /ˈmɒdld ɒn/
Definition: Made to follow the style or design of something else.
- Usage: A related alternative. It suggests the original is used as a pattern or example, not a source of content.
- Example: The new law is modeled on one in Canada.
27. Patterned on
IPA: US /ˈpætərnd ɑːn/ · UK /ˈpætnd ɒn/
Definition: Made to follow the form of something else.
- Usage: A related alternative close to “modeled on.” The two are often interchangeable, and “patterned on” can sound a little more formal.
- Example: The training program is patterned on a successful pilot.
Main Part or Focus Terms ( Based)
28. Centered on
IPA: US /ˈsɛntərd ɑːn/ · UK /ˈsentəd ɒn/
Definition: Having something as the main point or focus.
- Usage: A related alternative for the ” based” sense. It shows what a plan or story is mostly about.
- Example: The course is centered on speaking practice.
29. Focused on
IPA: US /ˈfoʊkəst ɑːn/ · UK /ˈfəʊkəst ɒn/
Definition: Giving most attention to one thing.
- Usage: A related alternative. It shows priority and not origin, so it does not mean “derived from.”
- Example: The program is focused on helping new readers.
30. Made from
IPA: US /meɪd frʌm/ · UK /meɪd frɒm/
Definition: Produced using a certain material or ingredient.
- Usage: A related alternative for ” based” in food and products. It is more literal than “plant based,” which can describe the main ingredient rather than everything.
- Example: The milk is made from oats.
Sources: Merriam Webster, Collins Dictionary, Dictionary.com
Based On vs. Based In vs. Based At
The word “based” changes meaning with its preposition, and learners often mix them up.
| Pattern | Use for | Example |
| Based on | A source, reason, or foundation | The story is based on real events. |
| Based upon | The same as “based on,” slightly more formal | The decision was based upon the facts. |
| Based in | A city, region, or country | The company is based in Seoul. |
| Based at | A specific site, such as a school or military base | She is based at the main campus. |
| Based out of | A working base, mostly informal and American | He is based out of Denver. |
| based (before a noun) | The main part or method | A web based tool |
Many editors prefer “based on” over “based off of” in formal writing, although “based off” appears in casual speech. Also, use a hyphen in compounds like “London based firm” or “evidence based advice” when they come before a noun.
Sources: Merriam Webster, Collins Dictionary
Based and Opposite/Paired Word Pairs
| Word | Paired Word | Note |
| Based on facts | Baseless | “Baseless” describes a claim with no support. |
| Evidence based | Unsupported | Describes an idea with no proof behind it. |
| Web based | Offline | Describes tools used with or without the internet. |
| Cloud based | On premises | Describes software hosted online versus on local machines. |
| Home based | Office based | Two places where work is done. They are contrasts, not true opposites. |
| Land based | Sea based | Describes where equipment or forces are placed. |
“Based” has no single opposite. The nearest contrast for the “foundation” sense is “baseless” or “groundless.” For the ” based” compounds, the opposite depends on the first word, such as “offline” for “web based.”
Sources: Merriam Webster, Collins Dictionary
Common Word Partners of “Based”
| Pattern | Common Partners | Example |
| Based on | facts, evidence, data, experience, a true story, merit | The article is based on data from 2020. |
| Based in | a city, a country, a region | Our team is based in Madrid. |
| Based at | a school, a campus, a base, an office | He is based at the regional office. |
| Adverb + based | loosely, largely, partly, solely, mainly | The script is loosely based on a novel. |
| Noun + based | evidence , plant , web , cloud , community , home | She runs a home based business. |
| City or country + based | London based, Tokyo based, US based | A Berlin based startup raised new funds. |
Sources: Collins Dictionary, Merriam Webster
Idiomatic Phrases Featuring “Based”
“Based” has no strong idioms of its own. The phrases below are established expressions and fixed terms, not figurative sayings.
1. Based on a true story
- Meaning: A phrase used for films, books, and shows that follow real events, often with changes.
- Example: The movie is based on a true story, but some scenes are invented.
2. Evidence based practice
- Meaning: A method that uses research and proof to decide what works, common in medicine and education.
- Example: The hospital follows evidence based practice in all its programs.
3. Faith based organization
- Meaning: A group connected to or guided by a religious faith, often a charity or community group.
- Example: A faith based organization runs the local food bank.
4. Home based business
- Meaning: A business run mainly from the owner’s home.
- Example: She started a home based business selling handmade soap.
Sources: Merriam Webster, Collins Dictionary
Word Formation of “Based”
Etymology & Structure
“Based” is the past participle of the verb “base,” which adds the ending ed. The noun “base” comes from Old French bas (“depth”), from Latin basis (“foundation”), which comes from Greek basis (“step” or “that on which one stands”). The noun base came into English around 1300 with the meaning of a foundation for a building or the pedestal of a statue.
The adjective “base,” meaning low or of poor quality, is a different word with a similar spelling. It comes from Late Latin bassus, “short, low,” and was recorded in English in the late 14th century. “Based” does not come from this word.
Date and History
The verb base appeared in the 1580s as a transitive verb meaning “to make or serve as a foundation for,” and by 1841 it was also used for arguments, with the sense of placing them on a foundation. The military sense of base as secure ground from which operations proceed is recorded from 1860.
The sense of “resources on which something draws for operation,” as in power base and data base, is recorded by 1959. This helps explain the modern ” based” pattern, though Etymonline does not date the ” based” compound itself.
Word Class Variations
- Verb: base, bases, based, basing
- Adjective: based (as in “a Paris based firm” or “a well based claim”), baseless, basic, basal
- Combining form: based (evidence based, plant based, web based)
- Noun: base, basis, baseline, database
- Adverb: basically, baselessly
- Different word, same spelling: base (adjective), meaning low in value or morals, with the noun “baseness”
Sources: Etymonline, Merriam Webster
Common Word Choice Mistakes
- The film is based off of a novel: the film is based on a novel.
- Our company is based in Paris: our company is based in Paris.
- She is a London based designer: she is a London based designer.
- We chose an evidence based approach: we chose an evidence based approach.
- Based on the survey, most people agree: based on the survey, most people agree.
- Depending on the weather, we may leave early: depending on the weather, we may leave early.
- The decision is based on the data: the decision is based on the data.
Frequently Asked Questions About “Based”
What is the closest synonym for “based on”?
The closest synonyms for “based on” include “founded on,” “built on,” and “grounded in.” Use “grounded in” when something relies on a solid foundation, evidence, or established ideas.
What is another word for “based in”?
Use “located in” when referring to a place or business. For a company’s main office, “headquartered in” is more specific. When referring to where a person lives, “residing in” is usually a better choice.
Is “based on” the same as “based upon”?
Yes. “Based on” and “based upon” have the same basic meaning. However, “based upon” sounds slightly more formal and appears less often in everyday English.
Is “based off of” correct?
“Based off of” is common in informal speech and writing, but many style guides prefer “based on” in formal English. For professional or academic writing, “based on” remains the safer choice.
What is a formal alternative to “based on”?
Formal alternatives to “based on” include “predicated on,” “premised on,” and “on the basis of.” These expressions work especially well in formal, academic, legal, and professional writing.
What does “based” mean in “plant-based”?
In “plant-based,” the word “based” indicates that plants form the main ingredient, source, or characteristic. For example, a plant-based meal primarily consists of ingredients derived from plants.
Can “based” be used for people?
Yes. “Based” can describe where a person works, lives temporarily, or operates, depending on context. For example, “She is based in Dubai” usually describes her work or operating location. When you specifically mean where someone lives, “residing in” provides a clearer meaning.
What is the opposite of “based on facts”?
Common opposites of “based on facts” include “baseless” and “unfounded.” These words describe claims that lack reliable evidence or support. “Made up” is a more informal alternative.
What does “based” mean in slang?
In internet slang, “based” can describe someone or an opinion that seems confident, authentic, or unapologetically expressed. Its meaning can vary between online communities, so avoid using it in formal writing unless the context calls for slang.
Is “based” a verb or an adjective?
“Based” can function as both a verb form and an adjective. It is the past participle of the verb “base,” while it also appears as an adjective in phrases such as “city-based,” “evidence-based,” and “research-based.”
Conclusion
For foundation, use “founded on,” “built on,” or “grounded in.” For a place, use “located in” or “headquartered in.” Other useful phrases include “derived from,” “adapted from,” “inspired by,” “driven by,” and “centered on.”
Context matters because “based” does several jobs, and each alternative fits only some of them. “Contingent on” shows a condition, “according to” names a source, and “stationed at” fits only duty posts. Using the wrong one can change the meaning, not only the tone.
To choose well, first decide which pattern you need: “based on,” “based in,” or ” based.” Then pick the phrase that fits that meaning and the level of formality in your writing.
Noman is the founder and author of Factwy.com, where he shares informative, useful, and easy-to-understand content. With a passion for research and writing, he creates articles that simplify complex topics and provide valuable insights. His goal is to deliver clear, accurate, and reader-friendly information that helps visitors learn something new every day.
