POSTULATES Synonyms: 110 Similar and Opposite Words

postulates 1 of 2

noun

plural of postulate

as in assumptions

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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postulates

2 of 2

verb

present tense third-person singular of postulate

as in assumes

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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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 postulates

Noun

Not really Dagmar Bruss, professor and Head of the Quantum Information Theory group at HHU, and her doctoral researcher, Pedro Barrios Hita, conducted a new analysis of the postulates used in the 2021 paper and found one to be too restrictive. — Ameya Paleja, Interesting Engineering, 22 June 2026 Another postulates that sleep removes waste from the brain. — Shayla Love, New Yorker, 18 Feb. 2026

Verb

One of the theories postulates that the ribbon represents a group of particles that somehow leaked from the heliosphere and bounced around interstellar space before returning to the Solar System. — Kyle Orland, ArsTechnica, 24 Sep. 2025

Recent Examples of Synonyms for postulates

Noun

The second question is cost behavior, meaning what the bill does when tool calls double and when agent volume falls short of the vendor’s assumptions.

— Janakiram MSV, Forbes.com, 6 July 2026
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

Definition of assumptions

Verb

Guitars take the place of shovels, as Henry now repays Carlos’ kindness by helping to save the land that Carlos assumes is ravaged.

— Theater Critic, Los Angeles Times, 15 July 2026
There is a real risk of cultural bias if AI assumes the whole world, ranging from Argentina and Egypt to Japan and Zimbabwe, ought to pursue the same values as the Western world.

— Alexandra Figueroa, The Conversation, 14 July 2026

Definition of assumes

Noun

No contemporary record confirms who commissioned it, however, and other theories have attributed its patronage to figures including Matilda, William the Conqueror's wife.

— Tiago Ventura, Time, 10 July 2026
By more precisely measuring this consequence of general relativity, this study also serves to constrain alternate theories that call Einstein’s conclusions into question.

— Mary Randolph, Scientific American, 8 July 2026

Definition of theories

Verb

Defense says evidence is circumstantial, seeks lower bond Brown’s attorney, Bryan Hoeller, filed a motion on Tuesday seeking to reduce his bond, which had been set at $2 million.

— Amy McDaniel, Fort Worth Star-Telegram, 16 July 2026
The company says its CoSMo fusion systems are based on the magnetic mirror concept, which uses magnetic fields to confine high-temperature plasma.

— Neetika Walter, Interesting Engineering, 16 July 2026

Definition of says

Noun

This turns out to be a parable about the long and winding road that runs from mere hypotheses through lab results and real-world data, and then on to solid truth.

— Daniel Engber, The Atlantic, 11 July 2026
Powar explained that these systems are increasingly capable of working independently for extended periods, testing hypotheses, solving problems, and adapting their approach without constant human input.

— Christopher McFadden, Interesting Engineering, 10 July 2026

Definition of hypotheses

Verb

Based on that, Cook believes the developer still wants to proceed with the data center, despite public resistance and water access hurdles.

— Matthew Adams, Fort Worth Star-Telegram, 11 July 2026
Mitchell believes this upcoming season will be fun, too, after the Heat’s offseason addition of Antetokounmpo.

— Anthony Chiang, Miami Herald, 10 July 2026

Definition of believes

Verb

The team hypothesizes that the bats anchored themselves to landmarks in their environment, such as the coastline, the experimenters’ tents, and their perches.

— Yasemin Saplakoglu, Quanta Magazine, 21 Jan. 2026
If flooding corn was theoretically outlawed, Cohen hypothesizes that mallards would probably move more frequently and fly farther distances locally.

— Natalie Krebs, Outdoor Life, 14 Jan. 2026

Definition of hypothesizes

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“Postulates.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/postulates. Accessed 17 Jul. 2026.

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Synonyms of postulates

noun

verb

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