Presupposition and Supposition

Presupposition

Presupposition noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.
Usage example: the cynic's presupposition that everyone acts out of purely selfish motives
Show all Definitions
Synonyms for Presupposition

Supposition is a synonym for presupposition in assumption topic. In some cases you can use "Supposition" instead a noun "Presupposition", when it comes to topics like conjecture, anticipation, reason, hypothesis. popular alternative

Nearby Words: presupposed, presupposing

Supposition

Supposition noun - An idea that is the starting point for making a case or conducting an investigation.
Usage example: my supposition is that this grape variety, which flourishes in southern France, should do equally well here, given the similar climate

Presupposition is a synonym for supposition in conjecture topic. You can use "Presupposition" instead a noun "Supposition", if it concerns topics such as assumption, anticipation, reason, guess. popular alternative

Cite this Source
Supposition and Presupposition. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/presupposition/supposition
Presupposition & Supposition. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/presupposition/supposition>.
Supposition or Presupposition. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/presupposition/supposition.
Google Ngram Viewer shows how "presupposition" and "supposition" have occurred on timeline