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 Warsh, like any leader, needs to truly listen to others and encourage questioning of assumptions, analyses and projections. Harry Kraemer, Forbes.com, 23 June 2026 Thinking back on that day, what’s striking is how wrong our initial assumptions were about Jimmy. Nellie Andreeva, Deadline, 23 June 2026 As that assumption erodes, attention has shifted from hardening GPS toward security through diversification. Zak Kassas, The Conversation, 23 June 2026 When Ryan Jones had to have surgery just before the playoffs began to repair a broken hamate bone in his right wrist, the natural assumption was that St. Rita would be without him for the rest of the way. Steve Millar, Chicago Tribune, 11 June 2026 See All Example Sentences for assumption
Recent Examples of Synonyms for assumption
Noun
  • At a moment when technology companies were promising to bring people closer together, David Fincher’s acerbic drama about the founding of Facebook had a darker theory about why people wanted to connect in the first place.
    Glenn Whipp, Los Angeles Times, 29 June 2026
  • Susan Brands has a theory for why people come out of the woodwork seeking handouts from lottery winners.
    Daniel de Visé, USA Today, 28 June 2026
Noun
  • Needless to say there was no second date, and, eventually though painfully, my own arrogance had some of its rough edges worn down.
    Phil Plait, Scientific American, 26 June 2026
  • In Episode 3, Harris discussed the early arrogance of the founding fathers who made proposals for America's independence and questioned who was entitled to freedom.
    Kalia Richardson, USA Today, 24 June 2026
Noun
  • The Daily Monitor reported on Sunday that military personnel had been deployed at NMG’s premises in the capital, Kampala, and that staff were being prevented from leaving or entering the premises.
    CNN Money, CNN Money, 28 June 2026
  • The premise of the story—the pig lab—seems absurdist or surreal but is actually grounded in reality.
    Deborah Treisman, New Yorker, 28 June 2026
Noun
  • Critics argued that the message of a White man elevated above both a Native American and an African symbolized racial superiority.
    Lee Cowan, CBS News, 21 June 2026
  • Word about Hitler’s belief in Aryan superiority had spread far, and many observers warned of its genocidal, war-bringing ramifications.
    Vann R. Newkirk II, The Atlantic, 19 June 2026
Noun
  • The interest rate hypothesis points the wrong direction — the most rate-sensitive occupations, like construction, have the lowest AI exposure.
    Nick Lichtenberg, Fortune, 27 June 2026
  • Science is designed to estimate risk, test hypotheses, identify patterns, and reduce the likelihood of false causal inference.
    Alex Smolak, STAT, 27 June 2026
Noun
  • During the preference sheet meeting, the major difference in Kayley and Genevieve’s attitudes is perfectly illustrated.
    Rafaela Bassili, Vulture, 23 June 2026
  • Formalwear embraced a relaxed attitude, with most of the blazers coming collarless, or with mandarin collars and kimono-inspired, paired with looser-fit trousers nodding to pajamas.
    Luisa Zargani, Footwear News, 22 June 2026
Noun
  • As Jupiter and Chiron clash, explore new beliefs or ideas without committing to them – yet.
    USA TODAY, USA Today, 1 July 2026
  • Beyond the importance of education, he was also motivated by his own beliefs about the role of wealth in society and China’s national development.
    Russell Flannery, Forbes.com, 30 June 2026
Noun
  • The presumption of innocence was used by Queiroz to justify the decision to include Partey in Ghana’s World Cup squad and by Spanish club Villarreal to justify his signing last summer as a free agent.
    Cerys Jones, New York Times, 27 June 2026
  • The letter makes presumptions about herbicides and pesticides that do not line up with its proposal outlined on a website detailing the training center project, the statement said.
    Kenneth R. Gosselin, Hartford Courant, 21 June 2026

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“Assumption.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assumption. Accessed 2 Jul. 2026.

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