1. [n]  an injectable form of benzodiazepine (trade name Versed) useful for sedation and for reducing pain during uncomfortable medical procedures
2. [adj]  thoroughly acquainted with and skilled in something through study or experience; "well versed in classical languages"

VERSED is a 6 letter word that starts with V.

1. \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.
   
   

2. \Versed\, a. [L. versus turned, p. p. vertere. See 1st
   {Versed}.] (Math.)
   Turned.
   
   {Versed sine}. See under {Sine}, and Illust. of {Functions}.