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 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 In Beth Is Dead, a new YA thriller out Jan. 6, that's exactly the supposition at the heart of this reimagining of Louisa May Alcott's literary classic. Maureen Lee Lenker, EW.com, 11 June 2025 That’s a supposition supported, if not proven, by increases in U.S. imports from Vietnam, Taiwan, Japan and other countries corresponding to declines in specific commodities from China. Ken Roberts, Forbes.com, 4 June 2025 See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
  • Scientists had found geological evidence that supported the Snowball Earth hypothesis.
    Gregory Barber, Quanta Magazine, 15 Sep. 2025
  • Ten years after scientists observed gravitational waves for the first time, confirming Albert Einstein’s then century-old prediction, new data confirmed another renowned physicist’s seminal hypothesis.
    Tom Chivers, semafor.com, 14 Sep. 2025
Noun
  • My guess is that the folks at Sony thought that most people generally don't tap into those dramatically high DPIs.
    PC Magazine, PC Magazine, 18 Sep. 2025
  • Use these clues to narrow down your guesses.
    Erik Kain, Forbes.com, 18 Sep. 2025
Noun
  • Success comes from choosing intentionally based on individual goals, financial circumstances, and career objectives rather than following outdated assumptions about what career preparation requires.
    Sarah Hernholm, Forbes.com, 17 Sep. 2025
  • Contrary to popular assumptions, children experiencing food insecurity do not necessarily appear underweight.
    Oona Hanson, CNN Money, 16 Sep. 2025
Noun
  • Climate risk doesn’t live in theory.
    Sophia Mendelsohn, Forbes.com, 17 Sep. 2025
  • The Florida Department of Education argued that HB 1069 is protected by Florida’s First Amendment right of government speech, a legal theory that the government has the right to prevent any opposing views to its own in schools or any government platform.
    James B. Blasingame, The Conversation, 17 Sep. 2025
Noun
  • More Nick Cammett/Getty Images Stefanski's remarks put to bed the conjecture that Zappe was brought it to be the Browns' emergency third QB on game days — a role that is clearly Sanders' for now.
    Michael Gallagher, MSNBC Newsweek, 28 Aug. 2025
  • Zoomed-in photos of the president during an Oval Office appearance on Aug. 22 show the back of one of his hands with a section of skin covered in light foundation makeup, which has sparked conjecture among social media users.
    Kathryn Palmer, USA Today, 26 Aug. 2025
Noun
  • Over glitchy computer beats and a light wash of synths, Bowie outlined his late-period artistic thesis.
    Jed Gottlieb, Boston Herald, 13 Sep. 2025
  • Micron Technology’s breakout above $130, coupled with its expanding HBM market share and attractive valuation, continues to support the bullish thesis.
    Tony Zhang, CNBC, 10 Sep. 2025
Noun
  • That’s looking like a much tougher proposition.
    Gabrielle Starr, Boston Herald, 16 Sep. 2025
  • The 2025 Emmys Tried Something New The 77th Emmy Awards kicked off with an interesting proposition from first-time host, comedian Nate Bargatze.
    Dani Di Placido, Forbes.com, 15 Sep. 2025

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Cite this Entry

“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 20 Sep. 2025.

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