Definition of "Estimate" :

noun: a judgment of the qualities of something or somebody

"Many factors are involved in any estimate of human life."

noun: an approximate calculation of quantity or degree or worth

"An estimate of what it would cost."

noun: the respect with which a person is held

noun: a document appraising the value of something (as for insurance or taxation)

noun: a statement indicating the likely cost of some job

"He got an estimate from the car repair shop."

verb: judge tentatively or form an estimate of (quantities or time)

"I estimate this chicken to weigh three pounds."

verb: judge to be probable