Answer: firmed

AnswerCrossword Clue
FIRMEDTightened, with "up"
FIRMEDSteadied.
FIRMEDSolidified
FIRMEDRecovered from a decline
firmedsecurely fixed
firmednot soft or yielding when pressed
firmedresolute
firmedFIRM, to become stable (firmly established)
firmedto make or become firm