Exorcism meaning

the expulsion or attempted expulsion of a supposed evil spirit from a person or place.

is the religious or spiritual practice of evicting demons, jinns, or other spiritual entities from a person, or an area

addressed to evil spirits to force them to abandon an object, place, or person

the process of forcing an evil spirit to leave a person or place by using prayers or magic

Similar words, 

• expulsion
• insufflation
• catharsis
• cleansing
• purification
• purgation
• release
• deliverance