POSTULATE Synonyms: 108 Similar and Opposite Words

postulate 1 of 2

noun

ˈpäs-chə-lət

Definition of postulate

as in assumption

something taken as being true or factual and used as a starting point for a course of action or reasoning one of the postulates that the true agnostic rejects is the assumption that it is even possible for us to know whether God exists

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postulate

2 of 2

verb

ˈpäs-chə-ˌlāt

as in to say

to take as true or as a fact without actual proof postulates that all people are born with certain rights that can never be taken away from them

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of postulate

Noun

Euclid’s postulates for geometry; various schemes for standardizing arithmetic. — Quanta Magazine, 29 Apr. 2026 That postulate would justify racial quotas or preferences to remedy racial discrimination uncorroborated by credible evidence. — Bruce Fein, Baltimore Sun, 5 Mar. 2026

Verb

Now, building on their previous research, the Curtin and Sheffield Hallam University scientists postulate that the movement of the altar stone may have involved a combination of human and glacial transport. — Anne Doran, ARTnews.com, 5 June 2026 There’s no point postulating a soul that might rise beyond the reach of artificial illumination, because the very vault of the Universe is inscribed with radiant diagrams. — Wyatt Williams, Harpers Magazine, 2 June 2026 See All Example Sentences for postulate

Recent Examples of Synonyms for postulate

Noun

The firm also cut its price target to $11 from $13 and raised its fuel expense assumption for the third quarter to about $207 million.

— Paulina Likos, CNBC, 23 Oct. 2026
This assumption is oversimplified, and the problem is partly one of accounting.

— Ben Vanpeperstraete, Footwear News, 23 Oct. 2026

Definition of assumption

Verb

What employers are doing Kostka says there have recently been fewer health insurers in her area to choose from.

— Alana Semuels, Time, 22 Oct. 2026
Hamilton, in response, said that his church changed its policies in response to the scandal and eventually turned the matter over to police.

— Kacen Bayless, Kansas City Star, 22 Oct. 2026

Definition of say

Noun

Pike didn’t always have such a cogent theory of the power of the body in performance.

— Sarah Crompton, Vogue, 21 Oct. 2026
The idea that the absence of private property and systematic inequality automatically removes coercion—which forms the core of the Marxist theory of history—is not proven.

— Literary Hub, Literary Hub, 21 Oct. 2026

Definition of theory

Verb

Figures assume a married, two-earner couple with one child earning $99,999 and are not adjusted for inflation.

— Martie Bowser, Fortune, 24 Oct. 2026
Walczak’s estimates assume local governments raise tax rates enough to fully replace the lost revenue, based on state property records for every parcel in Florida.

— Max Klaver, Miami Herald, 24 Oct. 2026

Definition of assume

Noun

Consistent with their hypothesis, the secretion signal helps transfer the enzyme out of the cell, while the lipid anchor holds it near the cell surface.

— Muskan Bhatia, Interesting Engineering, 21 Oct. 2026
But there are indirect consequences of the Many Worlds hypothesis that could lend the idea credibility.

— Philipp Strasberg, Scientific American, 20 Oct. 2026

Definition of hypothesis

Verb

The motion noted that Brockway gave an officer a residence key that was later given to another officer who presumed it to imply consent for entry.

— Fort Worth Star-Telegram, Fort Worth Star-Telegram, 24 Oct. 2026
Iris is presumed to have been painted in the open air circa 1924–25, near the end of the artist’s life.

— News Desk, Artforum, 23 Oct. 2026

Definition of presume

Verb

For that reason, Republicans believe the seat is a likely pickup this fall in what is otherwise a difficult midterm environment.

— David Sivak, The Washington Examiner, 27 Oct. 2026
Assistant Commissioner Laurence Taylor, Head of National Counter Terrorism Policing in the UK, said police believed the country Abdulkarim was assisting was Iran.

— Reuters, NBC news, 27 Oct. 2026

Definition of believe

Verb

To illustrate, Kilaru hypothesized a women’s lacrosse player.

— Michael McCann, Sportico.com, 13 Oct. 2026
This unique trait has led planetary scientists to hypothesize that the asteroid formed in the frigid outer solar system and migrated inward early in the solar system's history.

— Sharmila Kuthunur, Space.com, 12 Oct. 2026

Definition of hypothesize

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postscripts

postulate

postulated

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“Postulate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/postulate. Accessed 27 Oct. 2026.

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Synonyms of postulate

noun

verb

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