1. the action of invoking something or someone for assistance or as an authority: "the invocation of new disciplines and methodologies"Similarcitationmentionacknowledgmentcalling onappeal toreference toallusion tosummoningbringingcallingconjuring (up)
▪ the summoning of a deity or the supernatural: "his invocation of the ancient mystical powers"
▪ an incantation used to invoke a deity or the supernatural.