- to make better by removing faults and defects; correct: to reform a calendar
- to make better by putting a stop to abuses or malpractices or by introducing better procedures, etc.
- to put a stop to (abuses, etc.)
- to cause or persuade (a person) to give up misconduct and behave better
- Chem. to heat (petroleum products) under pressure, with or without catalysts, to produce cracking and a greater yield of gasoline or an improved octane number
ME reformen < OFr reformer < L reformare: see re- & form
to become better in behavior
☆ designating or of a movement in Judaism that attempts to make rational thought compatible with historical Judaism, stressing its ethical aspects and not requiring strict observance of traditional Orthodox ritual