repair, fix, fixing, fixture, mending, reparation

the act of putting something in working order again

• darning — the act of mending a hole in a garment with crossing threads
• patching — the act of mending a hole in a garment by sewing a patch over it
• care, maintenance, upkeep — activity involved in maintaining something in good working order
• band aid, quick fix, quickie, quicky — hurried repair
• restoration — the act of restoring something or someone to a satisfactory state
• reconstruction — the activity of constructing something again
• restitution — the act of restoring something to its original state

• improvement — the act of improving something