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See more synonyms for posit on Thesaurus.com
verb (used with object)
  1. to place, put, or set.
  2. to lay down or assume as a fact or principle; postulate.
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  1. something that is posited; an assumption; postulate.
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Origin of posit

1640–50; < Latin positus, past participle of pōnere to place, put
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for posit

Contemporary Examples

Historical Examples

  • Now why should we not posit quantity among the primary genera?

  • For how can he commend self-control and yet posit pleasure as the supreme good?

    De Officiis

    Marcus Tullius Cicero

  • Let me posit here the ideal conditions for a morning pipe as I know them.


    Christopher Morley

  • There was no way to wound her so deeply as to posit its reality and identify it with her.

    Love's Pilgrimage

    Upton Sinclair

  • If so, we may at least posit that almost unbounded license must be allowed the pen which aims simply to raise a laugh.

    The Dramatic Values in Plautus

    Wilton Wallace Blancke

British Dictionary definitions for posit


verb (tr)
  1. to assume or put forward as fact or the factual basis for an argument; postulate
  2. to put in position
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  1. a fact, idea, etc, that is posited; assumption
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Word Origin

C17: from Latin pōnere to place, position
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for posit


"to assert," 1690s, from Latin positus "placed, situated, standing, planted," past participle of ponere "put, place" (see position). Related: Posited; positing.

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Online Etymology Dictionary, © 2010 Douglas Harper