Meaning : Summon into action or bring into existence, often as if by magic.
							Example : 
							Raise the specter of unemployment.
							He conjured wild birds in the air.
							Call down the spirits from the mountain.
							
Synonyms : arouse, bring up, call down, call forth, conjure, conjure up, evoke, put forward, raise, stir
Meaning : Cite as an authority. Resort to.
							Example : 
							He invoked the law that would save him.
							I appealed to the law of 1900.
							She invoked an ancient law.
							
Synonyms : appeal
Meaning : Request earnestly (something from somebody). Ask for aid or protection.
							Example : 
							Appeal to somebody for help.
							Invoke God in times of trouble.
							
Synonyms : appeal