Fearlessness, intrepidity or daring, especially with confident disregard for personal safety, conventional thought, or other restrictions.
Insolent boldness, especially when imprudent or unconventional.
The quality of being confident, not afraid or easily intimidated, but without being incautious or inconsiderate.
The ability to overcome one's fear, do or live things which one finds frightening.
The ability to maintain one's will or intent despite either the experience of fear, frailty, or frustration; or the occurrence of adversity, difficulty, defeat or reversal. Moral fortitude.