Synonyms and related words :
bodilessness, ghostliness, immateriality, immaterialness, impalpability, imponderability, incorporeality, incorporeity, inextension, intangibility, metapsychics, metapsychism, nonexteriority, occult phenomena, occultism, otherworldliness, panpsychism, parapsychology, psychic monism, psychical research, psychicism, psychism, psychosophy, shadowiness, spirit world, spirituality, spirituousness, supernaturalism, the occult, unearthliness, unsubstantiality, unsubstantialness, unworldliness