a quality of spirit that enables you to face danger or pain without showing fear
"She showed true bravery by stepping in front of the falling debris to protect her younger brother, completely ignoring the loud cracking sounds around them."
feeling no fear
"The firefighter stepped into the burning building not because she was reckless, but because her bravery meant she simply felt no fear at all."
Being brave, courageousness.
"Her bravery shone through as she jumped into the freezing water to save the stranded dog."