What is the meaning of estimate?

noun

• An approximate calculation of quantity or degree or worth.
  • usage: "an estimate of what it would cost"; "a rough idea how long it would take"
  • synonyms: estimation, approximation, idea
• A judgment of the qualities of something or somebody.
  • usage: "many factors are involved in any estimate of human life"; "in my estimation the boy is innocent"
  • synonyms: estimation
• A document appraising the value of something (as for insurance or taxation.
  • synonyms: appraisal, estimation
• A statement indicating the likely cost of some job.
  • usage: "he got an estimate from the car repair shop"
• The respect with which a person is held.
  • usage: "they had a high estimation of his ability"
  • synonyms: estimation

verb

• Judge tentatively or form an estimate of (quantities or time. )
  • usage: "I estimate this chicken to weigh three pounds"
  • synonyms: gauge, approximate, guess, judge
• Judge to be probable.
  • synonyms: calculate, reckon, count on, figure, forecast