Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun supposal

2 senses of supposal

Sense 1
assumption, supposition, supposal -- (a hypothesis that is taken for granted; "any society is built upon certain assumptions")
       => hypothesis, possibility, theory -- (a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices")

Sense 2
supposition, supposal -- (the cognitive process of supposing)
       => conjecture -- (reasoning that involves the formation of conclusions from incomplete evidence)