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 In an Election Day interview, SMU Political Science Professor Cal Jillson said the general assumption is that Cornyn as the nominee would win in November with a lead somewhere in the mid to upper single digits. Fort Worth Star-Telegram, 9 June 2026 Bell and his colleagues began reconsidering that assumption when their examination of NWA 12774 showed that the meteorite’s crystals of a mineral called clinopyroxene contained an especially large amount of aluminum. Jenna Ahart, Scientific American, 9 June 2026 The court’s assumption of its supervisory role in the democratic process was the product of the civil-rights era. Noah Feldman, Mercury News, 9 June 2026 Researchers at Duke University have challenged that assumption with Argus, a sea-urchin-like robot that ditches conventional symmetry altogether. New Atlas, 9 June 2026 See All Example Sentences for assumption
Recent Examples of Synonyms for assumption
Noun
  • Karen Read filed her lawsuit against Canton and the MSP not only to reveal shockingly obscene and racist text messages between key cops investigating her — but also to relitigate the defense theory of conspiracy to frame her.
    Flint McColgan, Boston Herald, 7 June 2026
  • The theories about what could have happened to Nancy Guthrie, Savannah Guthrie’s mom, are varied.
    Lizzie Lanuza, StyleCaster, 7 June 2026
Noun
  • That confidence isn’t arrogance.
    Datwon Thomas, VIBE.com, 6 June 2026
  • As the subtitle promises, their answers are shared with all the vulgarity, pettiness, and arrogance intact.
    Juliet Izon, The Atlantic, 4 June 2026
Noun
  • The premise means that almost the entire episode is free of dialogue, with the characters communicating by writing on chalkboards and gesturing.
    ArsTechnica, ArsTechnica, 7 June 2026
  • Ensure your home is securely locked when vacating the premises.
    STAR-TELEGRAM WEATHER BOT, Fort Worth Star-Telegram, 7 June 2026
Noun
  • The successful test not only demonstrates the maturity of the MICA NG program but also highlights France’s commitment to maintaining technological superiority in the rapidly evolving domain of aerial warfare.
    Prabhat Ranjan Mishra, Interesting Engineering, 7 June 2026
  • The threshold for superiority has shape-shifted throughout NBA history.
    Joel Lorenzi, New York Times, 31 May 2026
Noun
  • The statement was greeted by the event moderator and the other laureates as preposterous enough to make the simulation hypothesis seem reasonable by comparison.
    Quanta Magazine, Quanta Magazine, 8 June 2026
  • This hypothesis is also supported by other evidence, such as what appears to be a debris disk around the star.
    Christopher McFadden, Interesting Engineering, 6 June 2026
Noun
  • Together, the stories aim to show how our attitude toward animals is largely dependent on context and species.
    Literary Hub, Literary Hub, 9 June 2026
  • Considering the misguided attitudes of many Gen Z voters, there’s no time to waste.
    Betsy McCaughey, Boston Herald, 8 June 2026
Noun
  • Instead, Chesnut said, indigenous people linked the figure with the death deities of their own ancient belief systems.
    Marc Ramirez, USA Today, 7 June 2026
  • But unfortunately, Rivers was also a man of his times in the belief that sending the men back to the front when cured was the optimal result.
    The Know, Denver Post, 7 June 2026
Noun
  • However, the trust petition argues that Nick Reiner is entitled to a presumption of innocence, and suggests that the family trusts could be subject to future litigation.
    Gene Maddaus, Variety, 10 June 2026
  • Grande has never been the type to ignore the whispers and presumptions that have accompanied her life in the public eye.
    Larisha Paul, Rolling Stone, 7 June 2026

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“Assumption.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assumption. Accessed 12 Jun. 2026.

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