The Oxford Thesaurus An A-Z Dictionary of Synonyms - mysticaladj.

1) allegorical, symbolic(al) , mystic, cabbalistic, arcane, unrevealed, secret, occult, supernatural, esoteric, other-worldly, preternatural, cryptic, concealed, hidden, clandestine, private, veiled, ineffable, mysterious: A mystical spirit dwells in the raven that sits on his shoulder. 2) See mysterious, 2, above.