The phrase "fallen from grace" refers to a person who has lost their favorable position or reputation due to their own actions. Some synonyms for this phrase include "lost favor," "disgraced," "shamed," "demeaned," "sullied," and "tarnished." Other alternatives could include "fallen out of favor," "damaged reputation," or "discredited." Each of these phrases conveys the idea that the individual in question has experienced a significant negative change in their status or reputation. Whether used in a personal or professional context, these synonyms all suggest a significant loss of standing or esteem.