— exorcisement , n. — exorciser , n.
/ek"sawr suyz', -seuhr-/ , v.t., exorcised, exorcising .
1. to seek to expel (an evil spirit) by adjuration or religious or solemn ceremonies: to exorcise a demon.
2. to free (a person, place, etc.) of evil spirits or malignant influences.
Also, exorcize .
[ 1350-1400; ME exorcizare exorkízein, equiv. to ex- EX- 3 + ( h ) orkízein to cause (someone) to swear an oath ]