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.
(..) Bloody, bawdy villain Remorseless, treacherous, lecherous, kindless villain Oh vengeance! Why, what an ass am I. Sure this is most brave that I, the son of the dear murdered... ...prompted to my revenge by heaven and hell, must like a whore unpack my heart with words (..)2015 Hamlet
(..) And indeed it goes so heavily with my disposition... ...that this goodly frame the earth seems to me a sterile promontory This most excellent canopy the air, look you, this brave overhanging firmament... This majestical roof fretted with golden fire... Why, it appears no other thing to me (..)2015 Hamlet