suppositions

noun

plural of supposition
1
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

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Antonyms & Near Antonyms
2
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

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3
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

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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 Many are leaning into their own unsubstantiated suppositions, even those not backed by evidence. — Rebekah Riess, CNN Money, 22 Aug. 2026 Now Kennedy took her suppositions even further, reexamining the literature on a famous Olmec site where thousands of toad skeletons had been excavated. — Kimon De Greef, Longreads, 4 Aug. 2026 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
  1. hypotheses
  2. guesses
  3. assumptions
  4. theories
  5. conjectures
  6. premises
Noun
  • Their science fair projects – a bird feeder and a device producing the smoothest smoothies – were also crafted with AI assistance after developing their own hypotheses and plans.
    — Dalia Faheid, CNN Money, 26 Oct. 2026
  • The Danish company said further work is needed to confirm the hypotheses of two post-study analyses.
    — Annika Kim Constantino, CNBC, 20 Oct. 2026
Definition of hypotheses
Noun
  • Today’s puzzle took our testers an average of 5 guesses out of 6, or moderately challenging.
    — New York Times Games, New York Times, 9 Oct. 2026
  • Getting a word with a small number of guesses is a source of pride for players.
    — Max Goldbart, Deadline, 7 Oct. 2026
Definition of guesses
Noun
  • Even watching a magic trick can challenge our assumptions about the world and stimulate more original thinking.
    — Julie Bourdin, NPR, 25 Oct. 2026
  • In the short term, slowing demand would mean lower emissions from the existing system than today’s baseline assumptions and less investment in new natural gas infrastructure.
    — Justin Worland, Time, 23 Oct. 2026
Definition of assumptions
Noun
  • His longtime collaborators have other theories about his return.
    — Lacey Rose, HollywoodReporter, 21 Oct. 2026
  • The Many Worlds interpretation and the Copenhagen interpretation are not really two different interpretations but two different theories.
    — Philipp Strasberg, Scientific American, 20 Oct. 2026
Definition of theories
Noun
  • Many mathematicians have stopped posting open conjectures and potential ideas at the end of their papers, for fear that they’ll be scraped by bots and fed into AI models.
    — Jordana Cepelewicz, Quanta Magazine, 5 Oct. 2026
  • There have been a lot of conjectures, but little in the way of actual proof of what took place.
    — Lizzie Lanuza, StyleCaster, 25 May 2026
Definition of conjectures
Noun
  • Her crunchy-granola Mom and Dad (Maya Erskine and Jake Johnson) seem more than a little overprotective of their youngest child; the reluctant babysitter is given strict instructions not to leave the premises.
    — David Fear, Rolling Stone, 23 Oct. 2026
  • The area restricts movement on or off any premises with poultry.
    — WCCO Staff, CBS News, 20 Oct. 2026
Definition of premises

Browse Nearby Words

suppositional
suppositions
suppositious
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Cite this Entry

“Suppositions.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/suppositions. Accessed 29 Oct. 2026.

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