INVOKE

[verb] [T] [formal] - to request or use (a power outside yourself, esp. a law or a god) to help when you want to improve a situationPolice can invoke the law of trespass to regulate access to these places.Mr. Pierce invoked the Fifth Amendment, which states that you do not have to be a witness against yourself, and refused to testify.Invoking morality on this occasion would not be appropriate.Their sacred dance is performed to invoke ancient gods.(formal) If something invokes a memory it makes you remember something.The song invoked memories of that wonderful summer.