THESAURUS
Guess
account as, answer, appraise, appreciate, assess, assume, assumption, be afraid, believe, blind bargain, blind guess, bold conjecture, borderline case, bottom, call, cast a horoscope, cast a nativity, chance, class, clear up, conceive, conclude, conjecture, consider, contingency, crack, daresay, debug, decipher, decode, deduce, deem, disentangle, divine, do, dope, dope out, double contingency, dowse for water, esteem, estimate, evaluate, expect, explain, fancy, fathom, feel, feeling, figure, figure out, find out, find the answer, find the solution, forebode, forecast, foresee, foretell, form an estimate, fortune-tell, gamble, gauge, get, get right, give a guess, give an appreciation, guess right, guesstimate, guesswork, hariolate, have a hunch, have an idea, have an impression, have an inkling, have it, have the idea, hazard a conjecture, hit it, hold, hold as, hunch, hypothesis, hypothesize, imagine, interpret, judge, judgement, look upon as, maintain, make a prediction, make a prognosis, make a prophecy, make an estimation, make out, mark, measure, open question, open the lock, opine, perhaps, piece of guesswork, plumb, postulate, predict, prefigure, presage, presume, pretend, prize, prognosticate, prophesy, psych, psych out, puzzle out, question, rank, rate, ravel, ravel out, read palms, read tea leaves, read the future, reason, reckon, regard, resolve, riddle, risk assuming, rough guess, set down as, shot, sight-unseen transaction, solve, soothsay, sort out, speculate, speculation, stab, suppose, supposition, surmise, suspect, suspicion, take, take for, take it, tell fortunes, tell the future, tentatively suggest, theory, think, toss-up, touch and go, trow, undecided issue, undo, unlock, unravel, unriddle, unscramble, untangle, untwist, unverified supposition, unweave, valuate, value, vaticinate, venture a guess, view as, wager, ween, wild guess, work, work out
ROGET THESAURUS
Guess
Supposition
N
supposition, assumption, assumed position, postulation, condition, presupposition, hypothesis, blue sky hypothesis, postulate, postulatum, theory, thesis, theorem, data, proposition, position, proposal, presumption, divination, conjecture, guess, guesswork, speculation, rough guess, shot, shot in the dark, conjecturality, surmise, suspicion, sneaking suspicion, estimate, approximation (nearness), inkling, suggestion, hint, intimation, notion, impression, bare supposition, vague supposition, loose supposition, loose suggestion, association of ideas, (analogy), metonym, metonymy, simile (metaphor), conceit, idea, thought, original idea, invention (imagination), supposing, given, mooted, postulatory, assumed, supposititious, suppositive, suppositious, gratuitous, speculative, conjectural, hypothetical, theoretical, academic, supposable, presumptive, putative, suppositional, suggestive, allusive, if, if so be, an, on the supposition, ex hypothesi, in the case, in the event of, quasi, as if, provided, perhaps, for aught one knows.
VB
suppose, conjecture, surmise, suspect, guess, divine, theorize, presume, presurmise, presuppose, assume, fancy, wis, take it, give a guess, speculate, believe, dare say, take it into one's head, take for granted, imagine, put forth, propound, propose, start, put a case, submit, move, make a motion, hazard out, throw out a suggestion, put forward a suggestion, put forward conjecture, allude to, suggest, hint, put it into one's head, suggest itself, run in the head, marvel if, wonder if, wonder whether.