The noun justice has 4 senses (first 3 from tagged texts)
1. (16) justice, justness -- (the quality of being just or fair)
2. (6) justice, judicature -- (the administration of law; the act of determining rights and assigning rewards or punishments; "justice deferred is justice denied")
3. (1) judge, justice, jurist, magistrate -- (a public official authorized to decide questions brought before a court of justice)
4. Department of Justice, Justice Department, Justice, DoJ -- (the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870)