Толковый словарь английского языка - estimate

I. transitive verb (-mated; -mating) Etymology: Latin aestimatus, past participle of aestimare to value, ~ Date: circa 1532 1. archaic esteem, appraise, 2. to judge tentatively or approximately the value, worth, or significance of, to determine roughly the size, extent, or nature of, to produce a statement of the approximate cost of, judge, conclude, estimative adjective Synonyms: see: ~ II. noun Date: 1552 the act of appraising or valuing ; calculation, an opinion or judgment of the nature, character, or quality of a person or thing , 3. a rough or approximate calculation, a numerical value obtained from a statistical sample and assigned to a population parameter, a statement of the cost of work to be done