Main Entry: ac·tu·ate

Pronunciation: \ˈak-chə-ˌwāt, -shə-\

Function: transitive verb

Inflected Form(s): ac·tu·at·ed; ac·tu·at·ing

Etymology: Medieval Latin actuatus, past participle of actuare to execute, from Latin actus act

Date: 1645

1 : to put into mechanical action or motion
2 : to move to action

synonyms see move

— ac·tu·a·tion \ˌak-chə-ˈwā-shən, -shə-\ noun