Source : Webster's Revised Unabridged Dictionary (1913)

Scepter \Scep"ter\, Sceptre \Scep"tre\, v. t. [imp. & p. p.
   {Sceptered}or {Sceptred} (?); p. pr. & vb. n. {Sceptering}or
   {Sceptring}.]
   To endow with the scepter, or emblem of authority; to invest
   with royal authority.

         To Britain's queen the sceptered suppliant bends.
                                                  --Tickell.

Source : WordNet®

sceptered
     adj : invested with legal power or official authority especially
           as symbolized by having a scepter [syn: {empowered}, {sceptred}]