A badge of authority is a symbol or emblem that signifies a person's rank, position, or authority. The two crossword solutions for this term are 'ENSIGN' and 'INSIGNIA'. An ENSIGN is a military rank or title, usually the lowest rank of commissioned officer. INSIGNIA is a badge or other distinguishing mark of office, rank, or membership in an organization. Together, these two words represent a badge of authority, which is a symbol of a person's rank, position, or authority.