v.
Pronunciation: ' ak-ch ə - ˌ w ā t, -sh ə -
Function: transitive verb
Inflected Form: -at · ed ; -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 \ ˌ ak-ch ə - ' w ā -sh ə n, -sh ə - \ noun