The Collaborative International Dictionary of English v.0.48:

Exornation \Ex`or*na"tion\, n. [L. exornatio, fr. exornare. See
   Ornate.]
   Ornament; decoration; embellishment. [Obs.]
   [1913 Webster]

         Hyperbolical exornations . . . many much affect.
                                                  --Burton.
   [1913 Webster]