Divination is the practice of determining the hidden significance or cause of events, sometimes foretelling the future, by various natural, psychological, and other techniques. Found in all civilizations, both ancient and modern, it is encountered most frequently in contemporary mass society in the form of horoscopes, astrology, crystal gazing, tarot cards, and the Ouija board.
Divination is universally concerned with practical problems, private or public, and seeks information upon which practical decisions can be made; but the source of such information is not conceived as mundane, and the technique of getting it is necessarily fanciful. The mantic (divinatory) arts are many, and a broad understanding can emerge only from a survey of actual practices in various cultural settings. A short definition, however, may be offered as a preliminary guide: divination is the effort to gain information of a mundane sort by means conceived of as transcending the mundane. Continue reading from Encyclopedia Britannica