Synonyms and related words :
audacious, aweless, bold, brave, confident, courageous, daring, dreadless, fearless, gallant, game, gritty, gutsy, gutty, heroic, indomitable, intrepid, invincible, lionhearted, mettlesome, plucky, spunky, stalwart, unafraid, unapprehensive, unbashful, unconquerable, undaunted, undiffident, unfearful, unfearing, unflinching, unfrightened, unscared, unshy, unterrified, untimid, untimorous, valiant, valorous, venturesome