When it comes to accepting responsibility for something, there are several synonyms that can be used to convey the same idea. Taking ownership, assuming accountability, acknowledging one's role, bearing the consequences, and owning up to one's mistakes are some of the common phrases that can replace "accepted responsibility for". It is important to note that accepting responsibility is not just about admitting to one's faults, but it also means taking actions to rectify the situation and prevent it from happening again. Therefore, using these synonyms portrays a sense of maturity, honesty, and integrity and shows a willingness to learn from the mistakes made.