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