The condition or quality of being penitent; regret for wrongdoing.
synonyms:
penitence, compunction, contrition, remorse, repentance These nouns denote a feeling of regret for one's sins or misdeeds: showed no penitence; ended the relationship without compunction; pangs of contrition; tears of remorse; sincere repentance.
The American Heritage® Dictionary of the English Language, Fourth Edition