An amount, as of goods, services, or money, considered to be a fair and suitable equivalent for something else; a fair price or return, A principle or standard, as of behavior, that is considered important or desirable, The relative darkness or lightness of a color, adjective_ Of or relating to the practice of investing in individual securities that, according to some fundamental measure, such as book value, appear to be relatively less expensive than comparable securities, Relating to or consisting of principles or standards, transitive verb_ To assign a value to (a unit of currency, for example), To determine or estimate the worth or value of; appraise, To estimate the value, or worth, of; to rate at a certain price; to appraise; to reckon with respect to number, power, importance, etc