|1.||an established standard of decency, honesty, etc|
|2.||abidance by this standard|
Conformity to established rules; upright conduct and equitable conditions. For example, The coach insists on fair play. Shakespeare used this idiom in King John (5:2): "According to the fair play of the world, let me have audience." [Late 1500s] Also see turnabout is fair play.