Etymology: (1480–90; < L invocāre=in-in -2+vocāre to call, akin to vōxvoice)
Definition of 'invoke'
Princeton's WordNet
1. (verb)raise, conjure, conjure up, invoke, evoke, stir, call down, arouse, bring up, put forward, call forth summon into action or bring into existence, often as if by magic "raise the specter of unemployment"; "he conjured wild birds in the air"; "call down the spirits from the mountain"
2. (verb)invoke, appeal cite as an authority; resort to "He invoked the law that would save him"; "I appealed to the law of 1900"; "She invoked an ancient law"
3. (verb)appeal, invoke request earnestly (something from somebody); ask for aid or protection "appeal to somebody for help"; "Invoke God in times of trouble"
Definition of 'invoke'
Webster Dictionary
1. (verb)invoke to call on for aid or protection; to invite earnestly or solemnly; to summon; to address in prayer; to solicit or demand by invocation; to implore; as, to invoke the Supreme Being, or to invoke His and blessing