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Magic, necromancy, sorcery, witchcraft imply producing results through mysterious influences or unexplained powers. Magic may have glamorous and attractive connotations; the other terms suggest the harmful and sinister. Magic is an art employing some occult force of nature: A hundred years ago television would have seemed to be magic. Necromancy is an art of prediction based on alleged communication with the dead (it is called “the black art,” because Greek �Ա���ó��, dead, was confused with Latin niger, black): Necromancy led to violating graves. Sorcery, originally divination by casting lots, came to mean supernatural knowledge gained through the aid of evil spirits, and often used for evil ends: spells and charms used in sorcery. Witchcraft especially suggests a malign kind of magic, often used against innocent victims: Those accused of witchcraft were executed.