(transitive) To put into a new and improved form or condition; to restore to a former good state, or bring from bad to good; to change from worse to better

The change of something that is defective, broken, inefficient or otherwise negative, in order to correct or improve it

a political movement/party

Of Reform Judaism, its tenets, or its adherents.

That can be reformed.

The quality of being reformable; potential for reform.

That serves to reform or correct

(Christianity, historical) Alternative letter-case form of reformer (“one involved in the Reformation”) / (Canada, historical) A member of the Reform movement in 19th-century Canada.

(historical) The religious movement initiated in the 16th century against the Roman Catholic Church.

Any of several movements that promote reform