Source : Webster's Revised Unabridged Dictionary (1913)

Thespian \Thes"pi*an\, a. [From L. Thespis, Gr. ?, the founder
   of the Greek drama.]
   Of or pertaining to Thespis; hence, relating to the drama;
   dramatic; as, the Thespian art. -- n. An actor.

Source : WordNet®

thespian
     adj : of or relating to drama; "the movie director had thespian
           cooperation"
     n : a theatrical performer [syn: {actor}, {histrion}, {player},
         {role player}]