Also spelled supposeetion
noun
Meanings
-
1
noun
an assumption or belief held without proof
His theory rested on the supposition that prices would rise.
Thesaurus
Synonyms
1
noun
· an assumption or belief...
assumptionhypothesisconjecturesurmisepresumptionspeculationguess
Word family
Derived forms
suppositionalsuppositious
Etymology
From Late Latin suppositio ('a placing under, assumption'), from Latin suppositus, past participle of supponere ('to place under, substitute'), from sub- ('under') + ponere ('to place').
View etymology graph ->