bravely

courageously, fearlessly, valiantly, boldly, daringly, dauntlessly, intrepidly, heroically, gallantly, doughtily, hardily, stoutly, manfully, staunchly, pluckily, resolutely, valorously, spiritedly, firmly, audaciously, with fortitude, unabashedly, unflinchingly, chivalrously, indomitably, gamely, spunkily*, with plenty of guts*, like a man*, gutsily*.

Antonyms cravenly, fearfully*, timidly.