Other hyponyms of improvement include
tenderisation,
tenderization,
development,
cleaning,
cleansing,
cleanup,
correction,
rectification,
optimisation,
optimization,
perfection,
reform,
amelioration,
betterment,
melioration,
self-improvement,
self-reformation,
clarification,
clearing,
humanisation,
humanization,
modernisation,
modernization,
overhaul,
redevelopment,
renovation,
enhancement,
sweetening,
upturn,
airing,
ventilation,
fix,
fixing,
fixture,
mend,
mending,
repair,
reparation,
stabilisation,
stabilization,
upgrade,
turd polishing,
business process reengineering.