Wordnet 3.0
NOUN (1)
1. 
 the qualities of a hero or heroine; 
 exceptional or heroic courage when facing danger (especially in battle); 
- Example: "he showed great heroism in battle"- Example: "he received a medal for valor"[syn: heroism, gallantry, valor, valour, valorousness, valiance, valiancy]
WordNet (r) 3.0 (2006):
valorousness
    n 1: the qualities of a hero or heroine; exceptional or heroic
         courage when facing danger (especially in battle); "he
         showed great heroism in battle"; "he received a medal for
         valor" [syn: heroism, gallantry, valor, valour,
         valorousness, valiance, valiancy]