Source : Webster's Revised Unabridged Dictionary (1913)

Sapient \Sa"pi*ent\, a. [L. sapiens, -entis, p. pr. of sapere to
   taste, to have sense, to know. See {Sage}, a.]
   Wise; sage; discerning; -- often in irony or contempt.

         Where the sapient king Held dalliance with his fair
         Egyptian spouse.                         --Milton.

   Syn: Sage; sagacious; knowing; wise; discerning.

Source : WordNet®

sapient
     adj : acutely insightful and wise; "much too perspicacious to be
           taken in by such a spurious argument"; "observant and
           thoughtful, he was given to asking sagacious
           questions"; "a source of valuable insights and sapient
           advice to educators" [syn: {perspicacious}, {sagacious}]