oracular

adjective4

1. •
   Of or relating to an oracle.

   • Ferguson's sin consisted in his oracular 'unmasking' of a 'second-rate sort of society, full of second rate citizens, pursuing comparatively worthless objects.' — 2006
2. •
   Prophetic, foretelling the future.

   • And that slaughter to the Nation / Shall steam up like inspiration, / Eloquent, oracular; / A volcano heard afar. — 1819
3. •
   Wise, authoritative.

   • My Lord Chatham, whose wisdom his party in those days used to call superhuman, raised his oracular voice in the House of Peers against the American contest — 1844
4. •
   Ambiguous, hard to interpret.

   • Nothing offended me but that lisping Miss Haughton, whose every speech is inarticulately oracular. — 1754