Source : Webster's Revised Unabridged Dictionary (1913)

Versed \Versed\, a. [Cf. F. vers['e], L. versatus, p. p. of
   versari to turn about frequently, to turn over, to be engaged
   in a thing, passive of versare. See {Versant}, a.]
   Acquainted or familiar, as the result of experience, study,
   practice, etc.; skilled; practiced.

         Deep versed in books and shallow in himself. --Milton.

         Opinions . . . derived from studying the Scriptures,
         wherein he was versed beyond any person of his age.
                                                  --Southey.

         These men were versed in the details of business.
                                                  --Macaulay.

Versed \Versed\, a. [L. versus turned, p. p. vertere. See 1st
   {Versed}.] (Math.)
   Turned.

   {Versed sine}. See under {Sine}, and Illust. of {Functions}.

Verse \Verse\, v. t. [imp. & p. p. {Versed}; p. pr. & vb. n.
   {Versing}.]
   To tell in verse, or poetry. [Obs.]

         Playing on pipes of corn and versing love. --Shak.

Source : WordNet®

versed
     adj : thoroughly acquainted with and skilled in something through
           study or experience; "well versed in classical
           languages" [syn: {knowledgeable}] [ant: {unversed}]
     n : an injectable form of benzodiazepine (trade name Versed)
         useful for sedation and for reducing pain during
         uncomfortable medical procedures [syn: {midazolam}]