Meaning & use

posit

verb·Academicformal

Last updated

UK/ˈpɒzɪt/
US/ˈpɑːzɪt/

Meaning

  1. verbtransitiveformal

    To suggest an idea or explanation as a starting point for discussion or reasoning, without having proved it.

    Grammar: Takes an object or a that-clause: posit a theory, posit that the climate shifted.

    Patterns

    • posit something
    • posit that something is true
    • posit something as something

    The researchers posit that sleep helps the brain clear waste.

    Philosophers have long posited the existence of free will.

    In her essay she posits a link between music and memory.

Word forms

third person singularposits
past tenseposited
past participleposited
-ing formpositing

Common combinations

posit a theory
The astronomer posited a theory about the missing mass.
posit that
Some economists posit that prices will fall next year.
posit the existence of
The model posits the existence of a hidden planet.
posit a link
The study posits a link between diet and mood.
posit an idea
He posited an idea that nobody had considered.

Synonyms and how they differ

propose
Propose is a more general word for offering a plan or idea, while posit is mostly for theories or assumptions.
suggest
Suggest is everyday and tentative, whereas posit sounds more academic and treats the idea as a starting assumption.
hypothesize
Hypothesize is tied to science and testing, while posit can be used in philosophy and general argument too.
assume
Assume means taking something as true without checking, but posit means putting it forward openly to be examined.

Opposites

Word family

position noun
a place or a stated opinion (same Latin root, different meaning today)
postulate verb
to assume something as the basis of an argument
posited adjective
put forward as a theory

Commonly confused: posit or postulate? posit or pose?

posit vs postulate

Postulate is very close in meaning but often implies treating something as an accepted basis. Posit is lighter and can just suggest an idea.

posit vs pose

Pose a question means to ask it, while posit a theory means to put it forward as a possibility.

Practice

The author ____ that early humans migrated by boat, though she has no direct proof yet.

Make it your own

Write a sentence using “posit”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words