definition of
[invoke]

[1] #1 invoke v. [raise, conjure, conjure up, 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". wn

[2] #2 invoke v. [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". wn

[3] #3 invoke v. [appeal] request earnestly (something from somebody); ask for aid or protection; "appeal to somebody for help"; "Invoke God in times of trouble". wn