Here are some other options, depending on the context:
* "Audacieux" (bold, daring)
* "Courageux" (courageous)
* "Vaillant" (brave, valiant)
* "Imperturbable" (unperturbed, calm under pressure)
* "Sans peur" (literally "without fear")
The best choice will depend on the specific situation and the nuance you want to convey.