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
Noun
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That runs counter to decades of assumptions about Chondrichthyan fishes, the group that includes sharks, rays, skates and chimaeras.—
Melissa Cristina Márquez,
Forbes.com,
29 Jan. 2026 -
The report calls into question assumptions in many circles, including in the White House, that a Russian victory in Ukraine is inevitable and incoming.—
Brad Lendon,
CNN Money,
28 Jan. 2026
Noun
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Those are, indeed, pat, credible theories and predictions.—
Théoden Janes,
Charlotte Observer,
8 Jan. 2026
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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
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Cite this Entry
“Presupposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/presupposition. Accessed 29 Jan. 2026.
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