What is the meaning of Magic?

A comprehensive name for all of the pretended arts which claim to produce effects by the assistance of supernatural beings, or departed spirits, or by a mastery of secret forces in nature attained by a study of occult science, including enchantment, conjuration, witchcraft, sorcery, necromancy, incantation, etc.

Source: Webster’s Revised Unabridged Dictionary (1913), via OPTED