Hypothesis and Supposition

Hypothesis

Hypothesis noun - An idea that is the starting point for making a case or conducting an investigation.
Usage example: working on the hypothesis that teenagers function better in the late morning, some high schools are starting classes later
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Synonyms for Hypothesis

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

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

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

How words are described

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