WordNet sense 1 (sewing that repairs a worn or torn hole (especially in a garment)):

darn, patch

WordNet sense 2 (the act of putting something in working order again):

fix, fixture, mending, repair, reparation, fixing, repair

WordNet sense 3 (restore by replacing a part or putting together what is torn or broken):

bushel, doctor, restore, restore, touch on, furbish up

WordNet sense 4 (heal or recover):

heal