From Longman Dictionary of Contemporary Englishexorcismex‧or‧cis‧m /ˈeksɔːsɪzəm $ -ɔːr-/ noun [countable, uncountable] 1 ROa process during which someone tries to make an evil spirit leave a place by saying special words, or a ceremony when this is done2 FORGET literary the process of making yourself forget a bad memory or experience
Examples from the Corpus
exorcism• They also point out that the New Testament is full of demon possession and exorcisms.• The Republican convention was the most lavish exorcism in history.• But first there was a small act of exorcism to be performed.• Muttering some vulgar exorcism to avert the jinx, Juron tore the panel open. 