invoke
verb.
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
Synonym: raise, put forward, evoke, conjure up, conjure, call forth, call down, bring up, arouse, stir
verb.
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
Synonym: appeal
verb.
request earnestly (something from somebody); ask for aid or protection
appeal to somebody for help|Invoke God in times of trouble
Synonym: appeal