reform

[1]	improve , better , ameliorate , meliorate , emend , rectify , correct , mend , repair , fix , remedy , redo , revise , revolutionize , rehabilitate , remodel , refashion , renovate , reorganize , rebuild , recover
[2]	mend one's ways , turn over a new leaf , (Colloq) go straight
[3]	reclaim , regenerate , rectify
[4]	straighten out , see the light

[1]	improvement , betterment , amelioration , melioration , emendation , rectification , correction , rehabilitation , change , modification , perestroika , reorganization , renovation , recovery