Synonyms and related words :
adventurous, audacious, bold, bold-spirited, brave, chivalric, chivalrous, courageous, daring, dashing, dauntless, doughty, fearless, gallant, game, greathearted, hardy, heroic, herolike, ironhearted, knightlike, knightly, lionhearted, manful, manly, plucky, resolute, soldierlike, soldierly, stalwart, steadfast, stout, stouthearted, unafraid, undaunted, valiant, valorous, venturesome