Other hyponyms of ameliorate include
alleviate,
assuage,
palliate,
relieve,
aid,
help,
regenerate,
revitalize,
enrich,
build up,
develop,
turn around,
help,
upgrade,
condition,
emend,
iron out,
straighten out,
enhance,
bushel,
doctor,
fix,
furbish up,
mend,
repair,
restore,
touch on,
reform,
reform,
beautify,
embellish,
fancify,
prettify,
build,
hone,
perfect,
down,
fine-tune,
polish,
refine,
distil,
distill,
make pure,
purify,
sublimate,
fructify,
lift,
raise,
advance,
upgrade,
educate.