What is the meaning of guessing?

noun

• An estimate based on little or no information.
  • synonyms: guess, guesswork, shot, dead reckoning

verb

• Expect, believe, or suppose.
  • usage: "I imagine she earned a lot of money with her new novel"; "I thought to find her in a bad state"; "he didn't think to find her in the kitchen"; "I guess she is angry at me for standing her up"
  • synonyms: think, opine, suppose, imagine, reckon, guess
• Put forward, of a guess, in spite of possible refutation.
  • usage: "I am guessing that the price of real estate will rise again"; "I cannot pretend to say that you are wrong"
  • synonyms: guess, venture, pretend, hazard
• Judge tentatively or form an estimate of (quantities or time. )
  • usage: "I estimate this chicken to weigh three pounds"
  • synonyms: estimate, gauge, approximate, guess, judge
• Guess correctly; solve by guessing.
  • usage: "He guessed the right number of beans in the jar and won the prize"
  • synonyms: guess, infer