Supposition

Origin

From Old French, from Latin suppositiō, suppositiōnem ("supposition"), from sub- ("under") + positiō, positiōnem ("position; theme"), from positus ("position"), from the perfect passive participle of pōnō, pōnere ("put, place").

Full definition of supposition

Noun

1. Something that is supposed; an assumption made to account for known facts, conjecture
2. The act or an instance of supposing

Synonyms