Open English Wordnet
Adjectives
(a)mystic, mysticalrelating to or characteristic of mysticism“mystical religion” (a)mystic, mysticalrelating to or resembling mysticism“mystical intuition”,
“mystical theories about the securities market” (s)mysterious, mystic, mystical, occult, secret, orphichaving an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding“mysterious symbols”,
“the mystical style of Blake”,
“occult lore”,
“the secret learning of the ancients”