from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To calculate approximately (the amount, extent, magnitude, position, or value of something).
- transitive v. To form an opinion about; evaluate: "While an author is yet living we estimate his powers by his worst performance” ( Samuel Johnson).
- n. The act of evaluating or appraising.
- n. A tentative evaluation or rough calculation, as of worth, quantity, or size.
- n. A statement of the approximate cost of work to be done, such as a building project or car repairs.
- n. A judgment based on one's impressions; an opinion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rough calculation or guess.
- n. A document (or verbal notification) specifying how much a job will probably cost.
- v. To calculate roughly, often from imperfect data.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To judge and form an opinion of the value of, from imperfect data, -- either the extrinsic (money), or intrinsic (moral), value; to fix the worth of roughly or in a general way
- transitive v. To from an opinion of, as to amount,, number, etc., from imperfect data, comparison, or experience; to make an estimate of; to calculate roughly; to rate.
- n. A valuing or rating by the mind, without actually measuring, weighing, or the like; rough or approximate calculation.
from The Century Dictionary and Cyclopedia
- To form a judgment or opinion regarding the value, size, weight, degree, extent, quantity, etc., of; compute, appraise, or value by judgment, opinion, or approximate calculation; fix the worth of; judge; reckon.
- To esteem; honor.
- Synonyms Value, Prize, Esteem, etc. (see appreciate); to count, judge, appraise.
- n. A judgment or opinion as to the value, degree, extent, quantity, etc., of something; especially, a valuing determined by judgment, where exactness is not sought or is not attainable.
- n. Estimation; reputation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a statement indicating the likely cost of some job
- n. a judgment of the qualities of something or somebody
- v. judge tentatively or form an estimate of (quantities or time)
- n. a document appraising the value of something (as for insurance or taxation)
- n. an approximate calculation of quantity or degree or worth
- v. judge to be probable
- n. the respect with which a person is held
Latin aestimāre, aestimāt-.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin aestimatus, past participle of aestimare, older form aestumare ("to value, rate, esteem"); see esteem. (Wiktionary)