See amend in Webster's New World Roget's A-Z Thesaurus II
verb
To advance to a more desirable state:
ameliorate, better1, help, improve, meliorate, upgrade. See helpTo make right what is wrong:
correct, emend, mend, rectify, redress, reform, remedy, right. See correctTo prepare a new version of:
emend, emendate, revamp, revise, rework, rewrite. See change
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