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

Synonyms & Similar Words

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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 Importantly, the assumptions underlying this guidance included two to three Federal Reserve rate cuts in 2026, a stable 10-year Treasury yield , and mid-single-digit average loan and deposit growth by year-end. Zev Fima, CNBC, 14 Jan. 2026 And yet, the assumption built into our tech ecosystems is to smooth out every experience. Arianna Huffington, Time, 14 Jan. 2026 If someone dodges your requests, try asking a clarifying question to avoid hidden assumptions. Tarot.com, New York Daily News, 13 Jan. 2026 Throughout the film, Mejuck-Suissa challenges assumptions about religious women. Michelle F. Solomon, Miami Herald, 13 Jan. 2026 See All Example Sentences for assumption
Recent Examples of Synonyms for assumption
Noun
  • Those are, indeed, pat, credible theories and predictions.
    Théoden Janes, Charlotte Observer, 8 Jan. 2026
  • But now, in the planet’s capital city of Apperax, a murder is committed with no suspects, forensics or theories.
    Aaron Couch, HollywoodReporter, 8 Jan. 2026
Noun
  • Miami, Fort Lauderdale and West Palm Beach take turns transforming into floating marketplaces — docks converted to catwalks, hulls polished to reflective arrogance, sales reps who can quote fuel burn like yacht owners care about costs.
    Eric Barton, Sun Sentinel, 4 Jan. 2026
  • College football is awash in problems, including the Big Ten’s unrivaled arrogance, and its never-ending list of demands that would make Notre Dame blush.
    Fort Worth Star-Telegram, Fort Worth Star-Telegram, 1 Jan. 2026
Noun
  • But for Yorgos Lanthimos and his stars, Emma Stone and Jesse Plemons, former Succession writer Will Tracy’s script was simply so good that taking a swing at the uncategorizably strange premise that would become Bugonia was a no-brainer.
    Patrick Brzeski, HollywoodReporter, 13 Jan. 2026
  • That's actually the whole premise of Catania's new Laura Geller Beauty campaign.
    Michelle Lee, PEOPLE, 13 Jan. 2026
Noun
  • Conversely, Taiwan’s adoption of drone technologies and counter-measures reflects a broader global trend in modern warfare where autonomy, numbers, and networked systems can offset traditional military superiority.
    Prabhat Ranjan Mishra, Interesting Engineering, 9 Jan. 2026
  • Despite Barca’s recent dominance and established superiority in terms of history, fanbase and budget, the rivalry between the clubs is fierce.
    Pol Ballús, New York Times, 3 Jan. 2026
Noun
  • The story of the Platonic representation hypothesis paper began in early 2023, a turbulent time for AI researchers.
    Ben Brubaker, Quanta Magazine, 7 Jan. 2026
  • Furthermore, Jie said that laboratory simulations support the hypothesis that the majority of the surface regolith inside Shackleton Crater is conducive to the stable preservation of water ice.
    Leonard David, Space.com, 6 Jan. 2026
Noun
  • Black Midi were known for their wild live shows, improvisational but generally aggressive riffs and devil-may-care attitude.
    Joseph Wilkinson, New York Daily News, 12 Jan. 2026
  • The book also shines a prominent light on how attitudes toward certain drugs have changed over time by showing when and where they were embraced.
    Tiney Ricciardi, Denver Post, 12 Jan. 2026
Noun
  • The long hours spent fishing were also good for meditating and reinforced his belief in the destiny marked out for him.
    Literary Hub, Literary Hub, 12 Jan. 2026
  • The latter movie musical, directed and co-written by Mona Fastvold, tells the story of the titular founder of the Shakers, who brought her religious beliefs from England to America in the 18th century.
    Jack Smart, PEOPLE, 12 Jan. 2026
Noun
  • By making a presumption of guilt and of the state’s inerrancy, the attorney general is repudiating the rule of law, which is grounded in the state’s obligation to prove its case.
    Paul Rosenzweig, The Atlantic, 3 Jan. 2026
  • Social engineering is rife with gender presumptions, said Karl Sigler, senior security manager at Trustwave SpiderLabs.
    Amanda Gerut, Fortune, 1 Jan. 2026

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Cite this Entry

“Assumption.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assumption. Accessed 21 Jan. 2026.

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