Source : Webster's Revised Unabridged Dictionary (1913)

Oracular \O*rac"u*lar\, a. [L. oracularius. See {Oracle}.]
   1. Of or pertaining to an oracle; uttering oracles;
      forecasting the future; as, an oracular tongue.

   2. Resembling an oracle in some way, as in solemnity, wisdom,
      authority, obscurity, ambiguity, dogmatism.

            They have something venerable and oracular in that
            unadorned gravity and shortness in the expression.
                                                  --Pope.
      -- {O*rac"u*lar*ly}, adv. -- {O*rac"u*lar*ness}, n.

Source : WordNet®

oracular
     adj 1: of or relating to an oracle; "able by oracular means to
            expose a witch"
     2: obscurely prophetic; "Delphic pronouncements"; "an oracular
        message" [syn: {Delphic}]
     3: resembling an oracle in obscurity of thought; "the oracular
        sayings of Victorian poets"; "so enigmatic that priests
        might have to clarify it"; "an enigmatic smile" [syn: {enigmatic}]