actuate v. + Add to list US //ˈækˌtʃuˈeɪt// ac·tu·ate SynonymsEtymology Synonyms activatemotivatepropelsparktriggertripOriginLATāctus→LA-MEDāctuātus→ENactuate From Medieval Latin āctuātus, perfect passive participle of āctuō (“actuate, implement”), from Latin āctus, perfect passive participle of agō (“do, act”).