definition of
[actuate]

[1] #1 actuate v. [trip, trigger, activate, set off, spark off, spark, trigger off, touch off] put in motion or move to act; "trigger a reaction"; "actuate the circuits". wn

[2] #2 actuate v. [motivate, propel, move, prompt, incite] give an incentive for action; "This moved me to sacrifice my career". wn