Synonyms and related words :
audaciously, boldly, bravely, bulldoggishly, chivalrously, courageously, daringly, dauntlessly, doughtily, fearlessly, gallantly, gamely, gutsily, hardily, intrepidly, knightly, like a man, like a soldier, manfully, mettlesomely, pertinaciously, pluckily, resolutely, spunkily, stalwartly, stoutly, tenaciously, unfearfully, unfearingly, valiantly, valorously, yeomanly