OTHERWORLDLY
nonnatural, otherworldly, preternatural, transcendental
(adjective) existing outside of or not in accordance with nature; “find transcendental motives for sublunary action”-Aldous Huxley
Source: WordNet® 3.1
Etymology
Adjective
otherworldly (comparative more otherworldly, superlative most otherworldly)
Of, concerned with, or preoccupied with a different world than that of the tangible here and now, such as a heavenly, spiritual, or imaginary world.
Not belonging to the real world; unnatural; odd and unfamiliar.
Synonyms
• (of a different world): alien, ethereal, mystical, transcendental
Source: Wiktionary