S: (adj) fair, just (free from favoritism or self-interest or bias or deception; conforming with established standards or rules) "a fair referee"; "fair deal"; "on a fair footing"; "a fair fight"; "by fair means or foul"
W: (n) reasonableness [Related to: reasonable] (the state of having good sense and sound judgment) "his rationality may have been impaired"; "he had to rely less on reason than on rousing their emotions"