Definition of assumptionnext
1
as in theory
something taken as being true or factual and used as a starting point for a course of action or reasoning the widespread assumption that violent entertainment leads to violent behavior in children your argument is faulty because it's based on erroneous assumptions

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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 assumption According to Goldman Sachs’ global strategy team, what’s replacing it will reshape every asset class, every sector, and every assumption baked into modern portfolio theory. Nick Lichtenberg, Fortune, 17 June 2026 Social Security's trustees start with assumptions on aggregates such as the rates of fertility and average wage growth, and apply that information to come up with long-range projections. Lorie Konish, CNBC, 16 June 2026 Black and brown athletes, both men and women, frequently face criticism lenses shaped by longstanding stereotypes and assumptions. Brielle Miller, Baltimore Sun, 16 June 2026 The studios, Scheiber writes, made some flawed assumptions on the eve of the strike. Molly Fischer, New Yorker, 15 June 2026 See All Example Sentences for assumption
Recent Examples of Synonyms for assumption
Noun
  • For a lender, the practical question is not whether the theory still exists.
    Dara-Abasi Ita, Forbes.com, 14 June 2026
  • If that theory still holds, putative 2028 Democratic candidate Rahm Emanuel has an early advantage — in the bike lane.
    Naomi Lim, The Washington Examiner, 13 June 2026
Noun
  • Deficient Humility manifests as arrogance, which can fracture teams and alienate fans.
    Mary Crossan, Forbes.com, 11 June 2026
  • His mixture of insecurity and arrogance was eye-catching.
    PhotoVogue, Vogue, 11 June 2026
Noun
  • While there's no presidential library on the premises, there is a branch of the Chicago Public Library.
    Susan Page, USA Today, 15 June 2026
  • Anthropic built its entire corporate narrative on the premise that models like Mythos pose such severe risks that they should never be released to the public.
    Sandy Carter, Forbes.com, 13 June 2026
Noun
  • In a crew filled with people convinced of the superiority of their own methods, Cooper just wants to look at peacocks, call his grandma, and engage in some PG-13 flirting with fellow innocent oddball Kat.
    Rafaela Bassili, Vulture, 16 June 2026
  • The United States, which can gobble up Olympic medals and force-feed its brand of football to a happy audience across the pond, has had to cede superiority to the rest of the world, unable to even get its own term for the game to catch on.
    Dana O’Neil, CNN Money, 13 June 2026
Noun
  • The memory consolidation hypothesis holds that sleep talking may be a byproduct, or even a signal, of the brain’s nightly memory processing.
    Scott Travers, Forbes.com, 14 June 2026
  • One answer is the Rare Earth hypothesis, which theorizes that our planet really is special.
    Emma Gometz, Scientific American, 12 June 2026
Noun
  • The result was reflected by the two head coaches’ vastly differing postgame attitudes.
    Miami Herald, Miami Herald, 16 June 2026
  • In the corner of the team’s theater room, Wright hung a chart that was updated regularly by the team’s leader in attitude points, awarded for out-of-the-box accomplishments such as diving on the floor for loose balls or taking charges.
    Dana O’Neil, CNN Money, 15 June 2026
Noun
  • Brunson is at his best when everything is at its worst, blessed with belief that seems at times desperate and determination that can feel almost manic.
    Dana O’Neil, CNN Money, 14 June 2026
  • Recent Pew data shows that roughly 58 million Americans do not affirm belief in any god or universal spirit.
    David Williamson, The Orlando Sentinel, 14 June 2026
Noun
  • The presumption of innocence remains fully intact.
    Jordan Freiman, CBS News, 16 June 2026
  • The trouble is not TMI but TLI Another falsehood standing in the way of feeling loved is the presumption that asking questions will seem nosy.
    Jessica DuLong, CNN Money, 16 June 2026

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“Assumption.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assumption. Accessed 20 Jun. 2026.

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