An amount, as of goods, services, or money, considered to be a fair and suitable equivalent for something else; a fair price or return. Monetary or material worth: the fluctuating value of gold and silver. Worth in usefulness or importance to the possessor; utility or merit: the value of an education. A principle, standard, or quality considered worthwhile or desirable: "The speech was a summons back to the patrician values of restraint and responsibility\u201d ( Jonathan Alter). Precise meaning or import, as of a word. Mathematics An assigned or calculated numerical quantity. Music The relative duration of a tone or rest. The relative darkness or lightness of a color. See Table at color. Linguistics The sound quality of a letter or diphthong. One of a series of specified values: issued a stamp of new value. To determine or estimate the worth or value of; appraise. To regard highly; esteem. See Synonyms at appreciate. To rate according to relative estimate of worth or desirability; evaluate: valued health above money. To assign a value to (a unit of currency, for example).