noun
definition
The change of something that is defective, broken, inefficient or otherwise negative, in order to correct or improve it
example
A major reform is needed to improve the efficiency in the factory.
verb
definition
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
example
1909, H. G. Wells, The History of Mr. Polly Chapter 9
definition
To return to a good state; to amend or correct one's own character or habits
example
It is hoped that many criminals, upon being freed, will eventually reform.
definition
To form again or in a new configuration.
example
The regiment reformed after surviving the first attack.