v. 25B6; verb
he can operate the machine : WORK, make go, run, use, utilize, handle, control, manage; drive, steer, manoeuvre.
the machine ceased to operate : FUNCTION, work, go, run, be in working/running order, be operative.
the way the law operates in practice : TAKE EFFECT, act, apply, be applied, function.
Hechstetter operated the mines until 1634 : DIRECT, control, manage, run, govern, administer, superintend, head (up), supervise, oversee, be in control/charge of.
doctors decided to operate : do an operation, perform surgery.