bear up
• remain cheerful in the face of adversity.
• "she's bearing up remarkably well"
Similar:
cope,
persevere,
manage,
endure,
muddle through/along,
get through,
get on,
carry on,
get along,
deal with the situation,
grin and bear it,
weather the storm,
make out,
get by,
hack it,
Opposite:
go to pieces,