value

1 : a fair return or equivalent in goods, services, or money for something exchanged
2 : the monetary worth of something : market price
3 : relative worth, utility, or importance <a good value at the price> <the value of base stealing in baseball> <had nothing of value to say>
4 : a numerical quantity that is assigned or is determined by calculation or measurement <let x take on positive values> <a value for the age of the earth>
5 : the relative duration of a musical note
6 a : relative lightness or darkness of a color : luminosity b : the relation of one part in a picture to another with respect to lightness and darkness
7 : something (as a principle or quality) intrinsically valuable or desirable <sought material values instead of human values — W. H. Jones>
8 : denomination 2

— val·ue·less \-(ˌ)yü-ləs, -yə-\ adjective

— val·ue·less·ness noun