To feel remorse or regret for something one has done.

To change one's mind or purpose, especially regarding a decision to do something wrong.

किसी गलत कार्य करने के निर्णय के बारे में मन या उद्देश्य बदलना।

English Usage: He was repenting the decision to betray his friend.

Hindi Usage: वह अपने दोस्त को धोखा देने के निर्णय पर पछताया।