Utility

The quality or state of being useful; usefulness; production of good; profitableness to some valuable end; as, the utility of manure upon land; the utility of the sciences; the utility of medicines.

Adaptation to satisfy the desires or wants; intrinsic value. See Note under Value, 2.

Happiness; the greatest good, or happiness, of the greatest number, -- the foundation of utilitarianism.

the quality of being of practical use

(computer science) a program designed for general support of the processes of a computer; "a computer system provides utility programs to perform the tasks needed by most users"

(economics) a measure that is to be maximized in any situation involving choice

the service (electric power or water or transportation) provided by a public utility; "the cost of utilities never decreases"; "all the utilities were lost after the hurricane"