She tried to 'put on/up a brave face/front' [=she tried to appear brave or calm] despite the pain of the injury.
The company was slow to enter the 'brave new world' of computer technology.
I had to 'brave the elements' [=go out in bad weather] to get to work.
(..) ''Amelia, courage is not the absence of fear... ''but rather the judgement... ''that something else is more important than fear. ''The brave may not live forever... ''but the cautious do not live at all. ''From now on, you'll be traveling the road... (..)2001 The Princess Diaries