<p><strong>Verb (used with object)</strong></p><ul><li>to form an approximate judgment or opinion regarding the worth, amount, size, weight, etc., of; calculate approximately: to estimate the cost of a college education.</li><li>Synonyms: appraise, evaluate, value, assess, gauge, reckon, count, compute.</li><li>to form an opinion of; judge.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to make an estimate.</li></ul><p><strong>Noun</strong></p><ul><li>an approximate judgment or calculation, as of the value, amount, time, size, or weight of something.</li><li>Synonyms: appraisal, calculation, valuation.</li><li>a judgment or opinion, as of the qualities of a person or thing.</li><li>a statement of the approximate charge for work to be done, submitted by a person or business firm ready to undertake the work.</li></ul>