EXORCISM
exorcism, dispossession
(noun) freeing from evil spirits
Source: WordNet® 3.1
Etymology
Noun
exorcism (countable and uncountable, plural exorcisms)
The ritual act of driving out evil spirits from persons, places or things who are possessed by them.
Source: Wiktionary
Ex"or*cism, n. Etym: [L. exorcismus, Gr. ; cf. F. exorcisme.]
1. The act of exorcising; the driving out of evil spirits from
persons or places by conjuration; also, the form of conjuration used.
2. Conjuration for raising spirits. [R.] Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition