witchcraft

Etymology

From Middle English wicchecraft, wicchecreft, from Old English wiċċecræft, equivalent to witch + -craft.

noun

1. The practice of witches; magic, sorcery, or the use of supernatural powers to influence or predict events.
   Wiccans believe in a modernised form of witchcraft.
   "Such witchcraft has no power now to show itself, because the people don't believe in it any more." 1886, Peter Christen Asbjørnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 84
2. Something, such as an advanced technology, that seems almost magical.
   There can be no denying that the more than 100 exhibiting companies and divisions also gave full play to examples of their latest technological witchcraft, as befits the foremost US aerospace event. 1987, Air Force Magazine, volume 70, page 88