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mid-12c., "the exercise of authority in vindication of right by assigning reward or punishment;" also "quality of being fair and just," from Old French justice "justice, legal rights, jurisdiction" (11c.), from Latin iustitia "righteousness, equity," from iustus "upright, just" (see just (adj.)). The Old French word had widespread senses, including "uprightness, equity, vindication of right, court of justice, judge." The word began to be used in English c.1200 as a title for a judicial officer. Meaning "right order, equity" is late 14c. Justice of the peace first attested early 14c. In the Mercian hymns, Latin iustitia is glossed by Old English rehtwisnisse. To do justice to (someone or something) "render fully and fairly showing due appreciation" is from 1670s.
A figure in painting and sculpture that symbolizes the impartiality of true justice. The figure of Justice usually appears as a blindfolded woman with a scale in one hand and a sword in the other.
is rendering to every one that which is his due. It has been distinguished from equity in this respect, that while justice means merely the doing what positive law demands, equity means the doing of what is fair and right in every separate case.