WordNet sense 1 (resembling or characteristic of a prophet or prophecy):

divinatory, mantic, sibyllic, vatic, vatical

WordNet sense 2 (foretelling events as if by supernatural intervention):

prophetical

WordNet sense 3 (having a secret or hidden meaning):

cryptic, cabalistic, cryptical, kabbalistic, qabalistic

WordNet sense 4 (confined to and understandable by only an enlightened inner circle):

esoteric