Heroism(n.) The qualities characteristic of a hero, as courage, bravery, fortitude, unselfishness, etc.; the display of such qualities.
Thesaurus Entries
Dutch courage, bigheartedness, bigness, boldness, braveness, bravery, chivalrousness, chivalry, consequence, conspicuous gallantry, courage, courageousness, distinction, doughtiness, elevation, eminence, errantry, exaltation, fame, fearlessness, gallantness, gallantry, gallantry under fire, generosity, generousness, glory, great heart, greatheartedness, greatness, greatness of heart, heroicalness, high-mindedness, idealism, intrepidity, intrepidness, knight-errantry, knightliness, largeheartedness, liberality, liberalness, lionheartedness, loftiness, magnanimity, magnanimousness, majesty, manfulness, manhood, manliness, martial spirit, military spirit, nobility, noble-mindedness, nobleness, notability, openhandedness, pot-valor, princeliness, prominence, prowess, renown, soldierly quality, spirit, stalwartness, stoutheartedness, stoutness, sublimity, valiance, valiancy, valor, valorousness, virtue