good cause
noun[C]
SOCIAL RESPONSIBILITYukusasociallyusefulorganizationoractivitythat is notmanagedforprofit:
go to a good causeThemoneywill go to a goodcause, acharitywhichhelpsdisadvantagedyoungsters.
for a good cause"It's for a goodcause," he said of hisdonation.