To direct or control (e.g. projects, businesses, etc.).
To handle and cause to function.
To perform surgery on.
keep engaged; "engaged the gears"
function properly; "The washing machine won't go unless it's plugged in"
perform a movement in military or naval tactics in order to secure an advantage in attack or defense
handle and cause to function; "do not operate machinery after imbibing alcohol"; "control the lever"
direct or control; of machinery, projects, businesses, etc.
perform surgery on; "The doctors operated ont he patient but failed to save his life"
ferment; "What is working in the minds of the people?"
happen; "What is going on in the minds of the people?"
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"
direct or control; projects, businesses, etc.; "She is running a relief operation in the Sudan"