Wordnet 3.0
NOUN (1)
1. 
 elegance and beauty of movement or expression; 
- Example: "a beautiful figure which she used in subtle movements of unparalleled grace"[syn: grace, gracility]
The Collaborative International Dictionary of English v.0.48:
Gracility \Gra*cil"i*ty\, n. [L. gracilitas; cf. F.
   gracilit['e].]
   State of being gracilent; slenderness. --Milman. "Youthful
   gracility." --W. D. Howells.
   [1913 Webster]
WordNet (r) 3.0 (2006):
gracility
    n 1: elegance and beauty of movement or expression; "a beautiful
         figure which she used in subtle movements of unparalleled
         grace" [syn: grace, gracility]