1. [ verb ] (logic) infer from incomplete evidence
Related terms: deduce suspect guess
2. [ verb ] imagine to be the case or true or probable
Synonyms: suspect

"I suspect he is a fugitive" "I surmised that the butler did it"

Related terms: guess guess
3. [ noun ] a message expressing an opinion based on incomplete evidence
Synonyms: speculation guess hypothesis supposition surmisal conjecture
Related terms: opinion divination think estimate speculate guess suspect
Similar spelling:   surmisable