S: (adj) commonsense, commonsensible, commonsensical (exhibiting native good judgment) "arrive home at a reasonable hour"; "commonsense scholarship on the foibles of a genius"; "unlearned and commonsensical countryfolk were capable of solving problems that beset the more sophisticated"
S: (adj) healthy, intelligent, levelheaded, level-headed, sound (exercising or showing good judgment) "healthy scepticism"; "a healthy fear of rattlesnakes"; "the healthy attitude of French laws"; "healthy relations between labor and management"; "an intelligent solution"; "a sound approach to the problem"; "sound advice"; "no sound explanation for his decision"
W: (n) fairness [Related to: fair] (conformity with rules or standards) "the judge recognized the fairness of my claim"
W: (n) reasonableness [Related to: reasonable] (the property of being moderate in price or expenditures) "the store is famous for the reasonableness of its prices"; "the modestness of the living standards here becomes obvious immediately"
W: (n) reasonableness [Related to: reasonable] (moderation in expectations) "without greater reasonableness by both parties we will never settle this matter!"