Source : Webster's Revised Unabridged Dictionary (1913)

Courageousness \Cour*a"geous*ness\, n.
   The quality of being courageous; courage.

Source : WordNet®

courageousness
     n : a quality of spirit that enables you to face danger of pain
         without showing fear [syn: {courage}, {bravery}] [ant: {cowardice}]