operate

(verb) direct or control; projects, businesses, etc.. Synonyms: run. Examples: "She is running a relief operation in the sudan."

(verb) perform as expected when applied. Synonyms: function, work, go, run. Examples: "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."

(verb) handle and cause to function. Synonyms: control. Examples: "Do not operate machinery after imbibing alcohol." "Control the lever."

(verb) perform a movement in military or naval tactics in order to secure an advantage in attack or defense. Synonyms: manoeuver, maneuver, manoeuvre.

(verb) happen. Examples: "What is going on in the minds of the people?."

(verb) keep engaged. Synonyms: engage, mesh, lock. Examples: "Engaged the gears."

(verb) perform surgery on. Synonyms: operate on. Examples: "The doctors operated on the patient but failed to save his life."