to make official changes to a law, agreement, document, or proposal, especially to correct or improve it
The committee amended the bill.
They amended the contract to protect both sides.
This is a formal word, often used for laws and official documents. For an apology, say “make amends,” not “amend.”
Common phrases & grammar
amend a law · amend the Constitution · amend a contract · amend a bill
[person/organization] + amend(s)/amended + [law/document]
[person/organization] + amend(s)/amended + [law/document] + to + [verb]