- The definition of actuate is the act of putting something into motion.
An example of actuate is a tweeting bird popping out of a cu-cu clock as it strikes the hour.
Used by arrangement with John Wiley & Sons, Inc.
transitive verb ac·tu·at·ed, ac·tu·at·ing, ac·tu·ates
- To put into motion or action; activate: electrical relays that actuate the elevator's movements.
- To move to action: a speech that actuated dissent.
Origin: Medieval Latin āctuāre, āctuāt-, from Latin āctus, act; see act.
- acˌtu·aˈtion noun