synchronise (Verb) — Happen at the same time.
synchronise (Verb) — (movie) make (motion picture sound) exactly simultaneous with the action. ex. "synchronise this film"
synchronise (Verb) — Arrange or represent events so that they co-occur. ex. "synchronise biblical events"
synchronise (Verb) — Operate simultaneously. ex. "The clocks synchronise"
synchronise (Verb) — Cause to indicate the same time or rate. ex. "synchronise your watches"
synchronise (Verb) — Make synchronous and adjust in time or manner. ex. "Let's synchronise our efforts"