Repent: To feel remorse, contrition, or self-reproach for what one has done or failed to do; be contrite; to feel such regret for past conduct as to change one's mind regarding it; to make a change for the better as a result of remorse or contrition for one's sins; to feel regret or self-reproach for; to cause to feel remorse or regret.
Synonym: ask forgiveness, apologize, atone, be ashamed, be contrite, be sorry, bewail, deplore, feel remorse, have qualms, lament, reform, regret, relent, reproach oneself, rue, see error of ways, show penitence, sorrow.
Example: She repented of her past mistakes.
Usage in Sentence: Repent of, not from.
Don’t say: He repented from his crime.
ü Say: He repented of his crime.