- 1actuate something to make a machine or device start to work synonym activate The timer must have been actuated by radio control. See related entries: Devices
- 2[usually passive] actuate somebody to make somebody behave in a particular way synonym motivate He was actuated entirely by malice. Word Originlate 16th cent.: from medieval Latin actuat- ‘carried out, caused to operate’, from the verb actuare, from Latin actus ‘event, thing done’, act- ‘done’, from the verb agere, reinforced by the French noun acte. The original sense was ‘carry out in practice’, later ‘stir into activity, enliven’; sense (1) dates from the mid 17th cent.
BrE BrE//ˈæktʃueɪt//; NAmE NAmE//ˈæktʃueɪt//(formal)Verb Forms present simple I / you / we / they actuate
BrE BrE//ˈæktʃueɪt//; NAmE NAmE//ˈæktʃueɪt//he / she / it actuates
BrE BrE//ˈæktʃueɪts//; NAmE NAmE//ˈæktʃueɪts//past simple actuated
BrE BrE//ˈæktʃueɪtɪd//; NAmE NAmE//ˈæktʃueɪtɪd//past participle actuated
BrE BrE//ˈæktʃueɪtɪd//; NAmE NAmE//ˈæktʃueɪtɪd//-ing form actuating
BrE BrE//ˈæktʃueɪtɪŋ//; NAmE NAmE//ˈæktʃueɪtɪŋ//Devices