The Collaborative International Dictionary of English v.0.48:
Handsomeness \Hand"some*ness\, n. The quality of being handsome. [1913 Webster] Handsomeness is the mere animal excellence, beauty the mere imaginative. --Hare. [1913 Webster]WordNet (r) 3.0 (2006):
handsomeness n 1: the quality of having regular well-defined features (especially of a man) [syn: handsomeness, good looks]