oracular

1. Of, relating to, or being an oracle.
2. Resembling or characteristic of an oracle:
   1. Solemnly prophetic.
   2. Enigmatic; obscure.

[From Latin ōrāculum, oracle, from ōrāre, to speak.]

adjective

Of or relating to the foretelling of events by or as if by supernatural means: augural, divinitory, fatidic, fatidical, mantic, prophetic, sibylline, vatic, vatical, vaticinal, visionary. See foresight.

The adjective has 3 meanings:

Meaning #1: of or relating to an oracle
  Pertains to noun: oracle (meaning #2)

Meaning #2: obscurely prophetic
  Synonym: Delphic

Meaning #3: resembling an oracle in obscurity of thought
  Synonym: enigmatic