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1. Expect to be true; believe
   "I guess she is angry at me for standing her up";
   - think, opine, suppose, imagine, reckon
    
2. Put forward, of a guess, in spite of possible refutation
   "I am guessing that the price of real estate will rise again";
   - venture, pretend, hazard
    
3. Form an estimate of (quantities or time)
   - estimate, gauge, approximate, judge
    
4. Guess correctly; solve by guessing
   "He guessed the right number of beans in the jar and won the prize";
   - infer

1. A message expressing an opinion based on incomplete evidence
   - conjecture, supposition, surmise, surmisal, speculation, hypothesis
    
2. An estimate based on little or no information
   - guesswork, guessing, shot, dead reckoning

Derived forms: guessing, guesses, guessed

Type of: anticipate, approximation, calculate, cipher, compute, cypher, estimate, estimation, expect, figure [N. Amer], figure out, idea, lick, muse, opinion, puzzle out, reckon, solve, speculate, unriddle, view, work, work out

Encyclopedia: Guess