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 Rather than believing that humankind devised AGI, there will be a supposition that a special or magical force beyond our awareness has opted to confer AI with human-like qualities. Lance Eliot, Forbes.com, 21 May 2025 Just go along with the supposition that AGI and ASI are not in the picture. Lance Eliot, Forbes.com, 1 May 2025 In January 2024, Searchlight quietly returned the rights of Magazine Dreams to its filmmakers: the active supposition being that a Majors star vehicle was too radioactive to release, especially for the prestige art-house studio division of Disney. Chris Lee, Vulture, 20 Mar. 2025 Yet as Gee points out, to date, there are still only suppositions, rather than conclusive evidence about why hominins made the transition to a bipedal lifestyle. Bruce Dorminey, Forbes, 17 Mar. 2025 See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
  • Failing to test hypotheses via incremental launches and skipping milestone checks risks prioritizing activity over impact, wasting resources on features customers may not value or use rather than driving meaningful innovation.
    Expert Panel®, Forbes.com, 1 July 2025
  • In the search for extraterrestrial life, much like climate change, there is a detection and attribution phase, which requires the robust testing of hypotheses and also rigorous scrutiny.
    Oliver Swainston, Space.com, 28 June 2025
Noun
  • My guess is that in the next few years a number of them will not and will be gone.
    Ira Winderman, Sun Sentinel, 6 July 2025
  • So my guess is that policymaking as usual will not be sufficient to deal with the underlying discontent that is driving the rise of Reform.
    Ritika Gupta, CNBC, 4 July 2025
Noun
  • What becomes more important is the ability to adapt, question assumptions, and think creatively.
    John Winsor, Forbes.com, 9 July 2025
  • The rates are based on an assumption that workers are paid $15.75 an hour, although there's no requirement for employers to pay that rate.
    Cleo Krejci, jsonline.com, 8 July 2025
Noun
  • Perpetuating unfounded theories about Epstein serves neither of those ends.
    Khaleda Rahman, MSNBC Newsweek, 10 July 2025
  • With the biggest advocate for the impact theory gone, the mystery has lingered for decades.
    Mike Bezemek, Smithsonian Magazine, 10 July 2025
Noun
  • That was all conjecture, and even many Democrats urged Abrams to concede and move on.
    David Mark, The Washington Examiner, 4 July 2025
  • Not everyone goes along with that instantaneous intelligence explosion conjecture.
    Lance Eliot, Forbes.com, 1 July 2025
Noun
  • But Musselman sees the ongoing turbulence in the world — conflicts in Ukraine and the Middle East — as proof of Union’s thesis.
    David Jeans, Forbes.com, 1 July 2025
  • In one scene, Agnes is wearing a pair of chunky combat boots, and old, worn pages of her thesis are taped to her window.
    Katy Waldman, New Yorker, 29 June 2025
Noun
  • Keep it under 150 words, include a specific value proposition, and end with a clear next step.
    Sarah Hernholm, Forbes.com, 5 July 2025
  • Augmenting beneficial populations in our gardens is a great proposition.
    Rita Perwich, San Diego Union-Tribune, 5 July 2025

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Cite this Entry

“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 18 Jul. 2025.

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