"Sees error of ways" is an idiom that describes someone realizing that they have made a mistake and correcting it. There are several synonyms for this phrase, including "acknowledges faults", "recognizes shortcomings", and "admits wrongdoing". Other synonyms include "atones for mistakes", "repents past behavior", and "mends fences". Each of these phrases conveys the same message of recognizing mistakes and making amends. Using synonyms can add variety to your writing and help you avoid repetition, ensuring that your message is conveyed clearly and effectively.