ac ‧ tu ‧ ate /ˈæktʃueɪt/ BrE AmE verb [transitive] formal
[ Date: 1500-1600 ; Language: Medieval Latin ; Origin: past participle of actuare , from Latin actus ; ⇨ ↑ ACT 1 ]
1 . be actuated by something to behave in a particular way because of something:
He was actuated by violent jealousy.
2 . to make a piece of machinery start to operate