GNU Collaborative International Dictionary of English

Found one definition

1.       
   Sapient , 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.
   1913 Webster
   Where the sapient king
   Held dalliance with his fair Egyptian spouse.
   Milton.
   
   1913 Webster
   Syn. -- Sage; sagacious; knowing; wise; discerning.
   1913 Webster