Answer: mend

AnswerCrossword Clue
MENDDo some cobbling, say
MENDFix, as fences
MENDMake better
MENDDo some darning
MENDChange, as one's ways
MENDDarn, maybe
MENDSet to rights
MENDDemonstrate healing power
MEND"How Can You ... a Broken Heart?" (1971 Bee Gees chart-topper)
MENDGive a darn?
MENDDarn, say
MENDRestore
MENDStitch up
MEND"a time to tear, and a time to ..."
MENDCobble
MENDSet right
MENDCorrect
MENDRecover, as from injury
MENDRepair a rip
MENDMake whole
mendto repair
MENDGet better
MENDPatch up
MENDRepair
MENDDarn
MENDKnit
MENDPatch
MENDTape up
MENDRepair, as fences (real or metaphorical)
MENDOn the .. (recuperating)
MENDConvalesce
MENDFix
MENDPatch or darn
MENDHeal
MENDFix, as a fence
MENDMake repairs to
MENDSew up
MENDImprove
MENDDarn with thread
MENDFix up