[adj] oblivious of dangers or perils or calmly resolute in facing them
[adj] invulnerable to fear or intimidation; "audacious explorers"; "fearless reporters and photographers"; "intrepid pioneers"
[adj] possessing or displaying courage; able to face and deal with danger or fear without flinching; "Familiarity with danger makes a brave man braver but less daring"- Herman Melville; "a frank courageous heart...triumphed over pain"- William Wordsworth; "set a courageous example by leading them safely into and out of enemy-held territory"
[adj] resolute and without fear
audacious, dauntless, desperate, doughty, gallant, game, gamey, gamy, gritty, hardy, heroic, intrepid, lionhearted, manful, manlike, manly, mettlesome, spirited, spunky, stalwart, stouthearted, unafraid(p), unapprehensive, unblinking, undaunted, unfearing