jus·tice ˈjəstəs/ noun 1. just behavior or treatment. "a concern for justice, peace, and genuine respect for people" synonyms:fairness, justness, fair play, fair-mindedness, equity,evenhandedness, impartiality,objectivity, neutrality,disinterestedness, honesty,righteousness, morals, morality "I appealed to his sense of justice" 2. a judge or magistrate, in particular a judge of the supreme court of a country or state. synonyms:judge, magistrate, jurist "an order made by the justices"