conjecture

Synonyms: conclusion fancy guess guesstimate guesswork hunch hypothesis inference notion opinion perhaps presumption shot in the dark sneaking suspicion stab in the dark supposition surmise theorizing theory

Antonyms: fact proof reality truth

Synonyms: assume believe conceive conclude deem estimate expect fancy feel figure gather glean guess guesstimate hazard a guess hypothesize imagine infer judge presume pretend suppose surmise suspect take a shot take a stab take for granted theorize think

Antonyms: prove