invoke

verb

1. 1

   request earnestly (something from somebody); ask for aid or protection

   appeal to somebody for help

   Invoke God in times of trouble

2. 2

   cite as an authority; resort to

   He invoked the law that would save him

   I appealed to the law of 1900

3. 3

   summon into action or bring into existence, often as if by magic

   raise the specter of unemployment

   he conjured wild birds in the air