Repentingly is an adverb that means to express regret or remorse for one's actions. There are many synonyms for the word that can be used in different contexts. Some alternatives include contritely, remorsefully, penitently, apologetically, regretfully, sorrowfully, humbly, and ruefully. Contritely is used when one feels genuine remorse and seeks to make amends, while penitently conveys a sense of repentance for wrongdoing. Apologetically and regretfully are more general terms for expressing regret, while sorrowfully is used when one is deeply saddened by their actions. Humble and rueful suggest a sense of shame and self-reproach. Overall, repentingly and its synonyms all share the common thread of acknowledging one's wrongdoing and seeking forgiveness.