invocation
(noun)
noun
1. a prayer asking God's help as part of a religious service
Similar word(s): supplication
Definition categories: communication, orison, petition, prayer
2. an incantation used in conjuring or summoning a devil
Definition categories: communication, conjuration, incantation
3. calling up a spirit or devil
Similar word(s): conjuration, conjuring, conjury
Definition categories: thought, magic, thaumaturgy
4. the act of appealing for help
Definition categories: act, effectuation, implementation