Synonyms and related words :
arcane, eerie, esoteric, extramundane, extraterrestrial, fey, hypernormal, hyperphysical, mysterious, numinous, occult, otherworldly, preterhuman, preternatural, preternormal, pretersensual, psychic, spiritual, superhuman, supernatural, supernormal, supersensible, supersensual, supramundane, supranatural, transcendental, transmundane, unearthly, unhuman, unworldly