1
as in hypothesis
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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2
as in guess
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

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 supposition 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 The great flaw in that theory is the supposition of logic in humans. Yeo Boon Ping, CNBC, 11 July 2025 That's a double-digit decline compared to the same three months of last year—itself no peach of a quarter for a car company with a stratospheric valuation based on the supposition of eternal sales growth. ArsTechnica, 2 July 2025 See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
  • Additional tests of the hypothesis are likely to follow.
    Ian Randall, MSNBC Newsweek, 6 Nov. 2025
  • This is known as the photoprotection hypothesis.
    Nell Greenfieldboyce, NPR, 5 Nov. 2025
Noun
  • Whether that response is genuine is now anybody’s guess.
    Dalton Ross, Entertainment Weekly, 6 Nov. 2025
  • Hundreds of users were making guesses about where Sahara learned the sign for more in the comments.
    Daniella Gray, MSNBC Newsweek, 5 Nov. 2025
Noun
  • Calculated under standard assumptions, this revenue would cover about two-thirds of the primary deficit impact of the One Big Beautiful Bill Act (OBBBA) over the next five years—more if temporary OBBBA provisions expire on schedule.
    Nick Lichtenberg, Fortune, 4 Nov. 2025
  • Whoever wins, assumptions about what matters in politics are taking a beating.
    Newsweek Staff, MSNBC Newsweek, 4 Nov. 2025
Noun
  • The special explores theories about why the thieves targeted specific displays, who orchestrated this brazen operation and which fatal flaws in their plan ultimately led to their capture.
    Peter White, Deadline, 5 Nov. 2025
  • The showgirl theory also holds in that fashion diapers seem to have taken off almost only among celebrities.
    Julie Beck, The Atlantic, 5 Nov. 2025
Noun
  • The old world was one of conjecture, miracles and guesswork.
    Big Think, Big Think, 5 Nov. 2025
  • Amenabar seems to root his screenplay on conjectures about the writer’s sexuality, which many scholars consider latterday projection.
    Dennis Harvey, Variety, 31 Oct. 2025
Noun
  • Despite some investors worrying about an AI bubble, the gusher of data center spending has not relented, supporting our thesis in Cisco.
    Kevin Stankiewicz, CNBC, 9 Nov. 2025
  • The study, published last month in Nature, originated from a curious observation made by Adam Grippin, a radiation oncologist at the University of Texas MD Anderson Cancer Center, while working on his PhD thesis at the University of Florida.
    Lisa Jarvis, Twin Cities, 8 Nov. 2025
Noun
  • The propositions really re-regulate the way new developments and buildings are approved.
    Kim Velsey, Curbed, 5 Nov. 2025
  • Opening a business with 2% margins in a city that already gets top scores for equitable access to groceries sounds like a losing proposition.
    Diane Brady, Fortune, 4 Nov. 2025

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Cite this Entry

“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 12 Nov. 2025.

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