usage

(n) the act of using
- he warned against the use of narcotic drugs
- skilled in the utilization of computers
use, utilisation, utilization, exercise, employment,
(n) accepted or habitual practice custom, usance,
(n) the customary manner in which a language (or a form of a language) is spoken or written
- English usage
- a usage borrowed from French

use utilisation utilization exercise employment custom usance

USAF