The Collaborative International Dictionary of English v.0.48:

Beautify \Beau"ti*fy\ (b[=u]"t[i^]*f[imac]), v. t. [imp. & p. p.
   Beautified (b[=u]"t[i^]*f[imac]); p. pr. & vb. n.
   Beautifying.] [Beauty + -fy.]
   To make or render beautiful; to add beauty to; to adorn; to
   deck; to grace; to embellish.
   [1913 Webster]

         The arts that beautify and polish life.  --Burke.
   [1913 Webster]

   Syn: To adorn; grace; ornament; deck; decorate.
        [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

19 Moby Thesaurus words for "beautified":
   advanced, ameliorated, bettered, civilized, converted, cultivated,
   cultured, developed, educated, embellished, enhanced, enriched,
   improved, perfected, polished, refined, reformed, transfigured,
   transformed