SUPPOSITIONS Synonyms: 71 Similar and Opposite Words

suppositions

noun

plural of supposition

as in hypotheses

an idea that is the starting point for making a case or conducting an investigation my supposition is that this grape variety, which flourishes in southern France, should do equally well here, given the similar climate

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in guesses

an opinion or judgment based on little or no evidence it's pure supposition on your part that there's something illegal going on next door

Synonyms & Similar Words

as in assumptions

something taken as being true or factual and used as a starting point for a course of action or reasoning worthless genetic research that was based on the erroneous supposition that acquired characteristics can be passed on to offspring

Synonyms & Similar Words

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 suppositions The past eight months have exposed both suppositions. —

Liam Twomey, New York Times, 11 Mar. 2026 As Jackie herself once reminded John, a Kennedy has no choice but to accept that the press and public will speculate, interpret, exaggerate, and invent notions about them based on their own suppositions. —

Rafaela Bassili, Vulture, 27 Feb. 2026 O'Donnell took further issue with her feeling that Hasselbeck didn't defend her against suppositions that O'Donnell was un-American for her opposition to military advances. —

Joey Nolfi, Entertainment Weekly, 7 Oct. 2025 One of the big suppositions behind the big data center boom is that the most cutting edge AI models will be at least as large, if not larger, than the leading models that exist today. —

Jeremy Kahn, Fortune, 3 Sep. 2025 She’s bemused by suppositions about the advantages of her family legacy, which in reality boasts a centuries-deep ledger of addiction, estrangement, and untimely death. —

Holden Seidlitz, New Yorker, 5 Aug. 2025 But that premise assumes two suppositions not in evidence. —

Andre Mouchard, Oc Register, 4 Aug. 2025

Recent Examples of Synonyms for suppositions

Noun

To test these hypotheses, a team from Columbia and Harvard decided to see if they could get rid of one of the 20 currently in use.

— ArsTechnica, ArsTechnica, 30 Apr. 2026
What is emerging is a picture of an artist of profound mathematical acuity, who mobilized geometric, sequential, and modular forms to test hypotheses on interrelation, regeneration, and evolution in pursuit of mystical revelation.

— Katherine Rochester, Artforum, 1 Apr. 2026