usage: bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one; "The Church reformed me"; "reform your conduct"
4. rectify, remediate, remedy, repair, amend, correct, rectify, right
usage: set straight or right; "remedy these deficiencies"; "rectify the inequities in salaries"; "repair an oversight"
5. correct, rectify, right, change by reversal, turn, reverse
usage: make right or correct; "Correct the mistakes"; "rectify the calculation"
6. rectify, change, exchange, commute, convert
usage: convert into direct current; "rectify alternating current"