"Badge of office" is a phrase commonly used to describe an emblem or insignia worn by someone in a position of authority or leadership. Synonyms for this phrase include "insignia", "emblem", "crest", "medallion", "decoration", and "token". These words all refer to a physical symbol or object that represents one's position, title, or rank. Additionally, the phrase "mark of distinction" could also be used in place of "badge of office", indicating a symbol that sets someone apart from others due to their position or accomplishments. Regardless of the wording, a badge of office serves as a visual reminder of one's authority and responsibilities.