POSTULATION 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

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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

Another postulates that sleep removes waste from the brain. — Shayla Love, New Yorker, 18 Feb. 2026 Euclid’s postulates for geometry; various schemes for standardizing arithmetic. — Quanta Magazine, 29 Apr. 2026

Verb

Scientists postulate that dolphins’ social nature and seeming empathy can release chemical endorphins in people who interact with them, creating a tremendous feeling of well-being. — David McGrath, The Orlando Sentinel, 5 Apr. 2026 Scientists postulate that dolphins’ social nature and seeming empathy can release chemical endorphins in people who interact with them, creating a tremendous feeling of well-being. — David McGrath, Chicago Tribune, 4 Apr. 2026 See All Example Sentences for postulate

Recent Examples of Synonyms for postulate

Noun

Here is a brief overview and judgement calls of several garden insects that challenge our assumptions about who belongs in which column.

— Rita Perwich, San Diego Union-Tribune, 4 July 2026
As with any heat metric, calculating the heat index involves making some assumptions about the person and the conditions around them.

— Andrew Freedman, CNN Money, 3 July 2026

Definition of assumption

Verb

Sources told Rolling Stone that Stevie Nicks, a longtime friend of Swift, will be present at the ceremony — and another said that the singer-songwriter would perform on the special day.

— Brendan Le, PEOPLE, 3 July 2026
In a press release, Bonta reiterated his commitment to combating hate in California, and said the data obtained are accessible and critical to stopping such crimes in the state.

— Jazmin Alvarado, Los Angeles Times, 3 July 2026

Definition of say

Noun

Germ theory also emerged in the late 1800s, in which scientists discovered that germs caused disease.

— Melissa Rudy, FOXNews.com, 3 July 2026
The two budding geniuses would sit in Charles’ apartment for hours, talking music theory and analyzing records, though Jones’s curiosity occasionally exhausted Charles.

— Hadley Hall Meares, Vanity Fair, 3 July 2026

Definition of theory

Verb

Some Cuba watchers are skeptical Rodríguez Castro could assume a leading role in the official government.

— Romina Ruiz-Goiriena, USA Today, 6 July 2026
Vahidi, who assumed the role after his predecessor Mohammad Pakpour was killed in US-Israeli strikes on the first day of the war, is rarely seen in public.

— Billy Stockwell, CNN Money, 5 July 2026

Definition of assume

Noun

The interest rate hypothesis points the wrong direction — the most rate-sensitive occupations, like construction, have the lowest AI exposure.

— Nick Lichtenberg, Fortune, 27 June 2026
Science is designed to estimate risk, test hypotheses, identify patterns, and reduce the likelihood of false causal inference.

— Alex Smolak, STAT, 27 June 2026

Definition of hypothesis

Verb

One ring found Thursday was engraved with characters believed to be Bhrami script, an ancient Indian writing system.

— ABC News, ABC News, 6 July 2026
In the Darnytskyi district, several multistory buildings were damaged and people were believed to be buried in the rubble.

— Hanna Arhirova, Los Angeles Times, 6 July 2026

Definition of believe

Verb

That’s why some people are hypothesizing that vitamin D can slow aging.

— Sohaib Imtiaz, Verywell Health, 28 June 2026
Despite having a brain not much bigger than a chimp, researchers hypothesized that Homo naledi, as the species was named, deliberately buried its dead in the confines of the cave.

— Katie Hunt, CNN Money, 24 June 2026

Definition of hypothesize

Browse Nearby Words

postscripts

postulate

postulated

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“Postulate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/postulate. Accessed 8 Jul. 2026.

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Synonyms of postulate

noun

verb

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