presupposition

noun

Definition of presuppositionnext
as in assumption
something taken as being true or factual and used as a starting point for a course of action or reasoning the cynic's presupposition that everyone acts out of purely selfish motives

Synonyms & Similar Words

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Example Sentences

Recent Examples of Synonyms for presupposition
  1. assumption
  2. theory
Noun
  • The result depends on the assumption that nuclear reaction rates and neutron decay follow the same scaling as the expansion rate.
    — Rupendra Brahambhatt, Interesting Engineering, 8 Nov. 2026
  • However, the conversation has also attracted a wave of caution from health professionals, warning against drawing medical conclusions from skin-deep assumptions.
    — Amy Francombe, Vogue, 6 Nov. 2026
Definition of assumption
Noun
  • In one prominent theory, the defining feature of introspection is that it’s based on particular mental representations of other thoughts.
    — Ben Brubaker, Quanta Magazine, 4 Nov. 2026
  • Attorney General Todd Blanche subscribes to the unitary executive theory that does not recognize or allow the independence of government lawyers from the president.
    — David Baldacci, Vanity Fair, 3 Nov. 2026
Definition of theory
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.

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Cite this Entry

“Presupposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/presupposition. Accessed 9 Nov. 2026.

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