Webster's Revised Unabridged Dictionary · 1913

Reform

Reform (r?*f?rm") , transitive verb

[French réformer, Latin reformare; pref. re- re- + formare to form, from forma form. See Form.]

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; to amend; to correct; as, to reform a profligate man; to reform corrupt manners or morals.
The example alone of a vicious prince will corrupt an age; but that of a good one will not reform it. — Swift

Reform , intransitive verb

To return to a good state; to amend or correct one's own character or habits; as, a man of settled habits of vice will seldom reform.

Reform , noun

[French réforme.]

Amendment of what is defective, vicious, corrupt, or depraved; reformation; as, reform of elections; reform of government.
Collocations (3)
Civil service reform , See under Civil.
Reform acts (Eng. Politics) , acts of Parliament passed in 1832, 1867, 1884, 1885, extending and equalizing popular representation in Parliament.
Reform school , a school established by a state or city government, for the confinement, instruction, and reformation of juvenile offenders, and of young persons of idle, vicious, and vagrant habits. [United States]