Exorcism - Exorcism is the religiously based act of forcing the Devil or a demon from the body of a possessed person. This act is usually performed by a religious figure, such as a priest or shaman, and involves the performing of rituals. Various cultures including the Greeks, Babylonians and Egyptians all had forms of what we term today as exorcism. For instance, the Babylonian exorcism consisted of the formation and eventual destruction of a clay doll fashioned in the shape of the demon.

The act of exorcising; the driving out of evil spirits from persons or places by conjuration; also, the form of conjuration used. For more information on this subject see also: ghosts and ghost hunting.

The expulsion of Demons or Spirits from a person or place. The duration and nature of an exorcism depends on both the severity of the possession and the religious practices being employed. In Christianity, exorcism usually involves demonic possession, in that a person is possessed by an evil Demon. The helpless victim may go through any one of a large range of phenomena, from Levitation to crude swearing, vomiting, superhuman strength and the sudden ability to speak in different languages.