suppose 0 antonyms and opposites of suppose. Verb — To assume or believe something without full proof. Synonyms for suppose arread assume fancy conjecture conject daresay dope go out on a limb foreguess guess guesstimate hunch hypothesize hypotheticate imagine infer overhope posit postulate presume speculate reckon surmise suspect take a stab at take for granted take something as read theorize ween ← Back to the full definition of suppose
