Invocation
The act of invoking or calling upon a deity, spirit, etc., for aid, protection, inspiration, or the like; supplication; any petitioning or supplication for help or aid; a form of prayer invoking God's presence, said especially at the beginning of a public ceremony; a call to God or to beings who have become one with God to release power, wisdom, and love to mankind or to intercede in their behalf; supplication for the flow of light, energy, peace, and harmony to come into manifestation on earth as it is in heaven.
See also
Sources
Mark L. Prophet and Elizabeth Clare Prophet, The Science of the Spoken Word.