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.
(..) - Oh, yes, you are. I can be fun, if you want... pensive, uh, smart, uh, superstitious, brave. And uh... I can be light on my feet. I could be whatever you want. You just tell me what you want and I'll be that for you. (..)2004 The Notebook