-ˌsizəm noun
( -s )
Etymology: Middle English exorcisme, from Middle French or Late Latin; Middle French exorcisme, from Late Latin exorcismus, from Greek exorkismos administration of an oath, from exorkizein to administer an oath, conjure, exorcise
1. : the act or practice of exorcising
2. obsolete : the conjuration of evil spirits
3. : a spell or formula used in exorcising