"Doeth penance" is an antiquated phrase that describes the act of making amends or performing a penitential act for one's sins or wrongdoing. There are several synonyms for this phrase, including "atones," "repents," "makes restitution," "makes up for," and "expiates." These words all convey the concept of acknowledging one's wrongdoing and taking action to make things right. While the term "doeth penance" may not be commonly used in modern language, the idea behind it remains relevant today. Regardless of the phrasing, taking responsibility for one's mistakes and making amends is a crucial aspect of building strong relationships and maintaining personal integrity.