Synonyms of nonrational

2 Syllables
magic, hidden, cryptic, occult, mystic
3 Syllables
wizardly, magical, spiritual, quixotic, abstruse, mysterial, arcane, telestic, mysterious, numinous, sorcerous
4 Syllables
visionary, unknowable, inscrutable, transcendental, paranormal, cabalistic, otherworldly, anagogic, necromantic, thaumaturgic
5 Syllables
unaccountable, preternatural, metaphysical, supernatural, impenetrable, imaginary, enigmatical