Theater .

a synchronizing of the various parts of a production for theatrical effect.

the result or effect thus achieved.

(in acting) the act of adjusting one's tempo of speaking and moving for dramatic effect.

Sports . the control of the speed of a stroke, blow, etc., in order that it may reach its maximum at the proper moment.

the selecting of the best time or speed for doing something in order to achieve the desired or maximum result

I went to ask for a raise, but my timing was bad, since the boss had indigestion.

an act or instance of observing and recording the elapsed time of an act, contest, process, etc.