Source : Webster's Revised Unabridged Dictionary (1913)

Graceful \Grace"ful\, a.
   Displaying grace or beauty in form or action; elegant; easy;
   agreeable in appearance; as, a graceful walk, deportment,
   speaker, air, act, speech.

         High o'er the rest in arms the graceful Turnus rode.
                                                  --Dryden.
   -- {Grace"ful*ly}, adv. {Grace"ful*ness}, n.

Source : WordNet®

gracefulness
     n : beautiful carriage [ant: {awkwardness}]