heroism
ˈhɛrəʊɪz(ə)m
noun
great bravery.
they fought with exemplary heroism
bravery,braveness,courage,courageousness,valour,valiance,intrepidity,intrepidness,boldness,daring,audacity,audaciousness,fearlessness,doughtiness,dauntlessness,pluck,indomitability,stout-heartedness,lionheartedness,backbone,spine,spirit,fortitude,mettle,gallantry,chivalry,guts,grit,spunk,gutsiness,bottle,ballsiness,moxie,cojones,sand,balls