The Collaborative International Dictionary of English v.0.48:

Brazen \Bra"zen\, v. t. [imp. & p. p. Brazened; p. pr. & vb.
   n. Brazening.]
   To carry through impudently or shamelessly; as, to brazen the
   matter through.
   [1913 Webster]

         Sabina brazened it out before Mrs. Wygram, but inwardly
         she was resolved to be a good deal more circumspect.
                                                  --W. Black.
   [1913 Webster]