Source : Webster's Revised Unabridged Dictionary (1913)

Intelligential \In*tel`li*gen"tial\, a. [Cf. F. intelligentiel.]
   [R.]
   1. Of or pertaining to the intelligence; exercising or
      implying understanding; intellectual. ``With act
      intelligential.'' --Milton.

   2. Consisting of unembodied mind; incorporeal.

            Food alike those pure Intelligential substances
            require.                              --Milton.