[v] perform surgery on; "The doctors operated ont he patient but failed to save his life"
[v] happen; "What is going on in the minds of the people?"
[v] perform a movement in military or naval tactics in order to secure an advantage in attack or defense
[v] handle and cause to function; "do not operate machinery after imbibing alcohol"; "control the lever"
[v] keep engaged; "engaged the gears"
[v] perform as expected when applied; "The washing machine won't go unless it's plugged in"; "Does this old car still run well?"; "This old radio doesn't work anymore"
[v] direct or control; projects, businesses, etc.; "She is running a relief operation in the Sudan"
control, engage, function, go, lock, maneuver, manoeuvre, mesh, operate on, run, run, work