Occultism

n.	1.	A certain Oriental system of theosophy.
	2.	Belief in occult powers or in supernatural forces other than the God of traditional religions, such as in magic, necromancy, alchemy, and astrology.
	3.	The study and alleged use of supernatural agencies as in magic, astrology, witchcraft, alchemy, necromancy, spiritualism (communication with the dead), and fortune-telling.

Noun	1.	occultism - the study of the supernatural
	2.	occultism - a belief in supernatural powers and the possibility of bringing them under human control

bodilessness, ghostliness, immateriality, immaterialness, impalpability, imponderability, incorporeality, incorporeity, inextension, intangibility, nonexteriority, occult phenomena, otherworldliness, psychical research, psychicism, psychics, psychism, shadowiness, spirit world, spirituality, spirituousness, supernaturalism, the occult, unearthliness, unsubstantiality, unsubstantialness, unworldliness