n. 1.a numerical quantity measured or assigned or computed 2.the quality (positive or negative) that renders something desirable or valuable 3.the amount (of money or goods or services) that is considered to be a fair equivalent for something else 4.relative darkness or lightness of a color 5.(music) the relative duration of a musical note 6.an ideal accepted by some individual or group value v. 1.fix or determine the value of 2.hold dear 3.regard highly 4.place a value on 5.estimate the value of