invigorate
v. US //ˌɪnˈvɪɡɝɪt// UK //ɪnvˈɪɡəɹˌeɪt// in·vig·o·rate
First attested in 1646; borrowed from New Latin invigōrātus, perfect passive participle of invigōrō, see -ate (verb-forming suffix) and -ate (adjective-forming suffix). By surface analysis, in- + vigor + -ate.