Use

the act of using

what something is used for

a particular service

(economics) the utilization of economic goods to satisfy needs or in manufacturing

(psychology) an automatic pattern of behavior in reaction to a specific situation

exerting shrewd or devious influence especially for one's own advantage

(law) the exercise of the legal right to enjoy the benefits of owning property

put into service

take or consume (regularly or habitually)

use up, consume fully

seek or achieve an end by using to one's advantage

avail oneself to

habitually do something or be in a certan state or place (use only in the past tense)