sibylline

sib·yl·line  (sb-ln, -ln) also si·byl·ic or si·byl·lic (s-blk)

adj.

1. Coming from, characteristic of, or relating to a sibyl.

2. Prophetic; oracular.

Thesaurus

Adj.	1.	sibylline - resembling or characteristic of a prophet or prophecy; "the high priest's divinatory pronouncement"; "mantic powers"; "a kind of sibylline book with ready and infallible answers to questions" divinatory, mantic, sibyllic, vatic, vatical prophetic, prophetical - foretelling events as if by supernatural intervention; "prophetic writings"; "prophetic powers"; "words that proved prophetic"
	2.	sibylline - having a secret or hidden meaning; "cabalistic symbols engraved in stone"; "cryptic writings"; "thoroughly sibylline in most of his pronouncements"- John Gunther cabalistic, kabbalistic, qabalistic, cryptic, cryptical esoteric - confined to and understandable by only an enlightened inner circle; "a compilation of esoteric philosophical theories"