convenience

use; employ, employment; exercise, exercitation; application, appliance; adhibition, disposal; consumption; agency (physical); usufruct; usefulness; benefit; recourse, resort, avail., [Conversion to use] utilization, service, wear., [Way of using] usage.

use, make use of, employ, put to use; put in action, put in operation, put in practice; set in motion, set to work., ply, work, wield, handle, manipulate; play, play off; exert, exercise, practice, avail oneself of, profit by, resort to, have recourse to, recur to, take betake oneself to; take up with, take advantage of; lay one's hands on, try., render useful; mold; turn to account, turn to use; convert to use, utilize; work up; call into play, bring into play; put into requisition; call forth, draw forth; press into service, enlist into the service; bring to bear upon, devote, dedicate, consecrate, apply, adhibit, dispose of; make a handle of, make a cat's-paw of., fall back upon, make a shift with; make the most of, make the best of., use up, swallow up; consume, absorb, expend; tax, task, wear, put to task.

in use; used; well-worn, well-trodden., useful; subservient (instrumental).