G-Man or T-Man is a term used to refer to federal agents, such as those employed by the FBI or other law enforcement agencies. The acronym G-Man stands for Government Man and T-Man stands for Treasury Man. These terms were originally used to refer to agents of the Bureau of Investigation, which later became the Federal Bureau of Investigation (FBI). The crossword solutions for this term are FED (3 letters), AGENT (5 letters), and AGT (3 letters). FED stands for Federal, AGENT stands for AGENT, and AGT stands for AGENT.