#1 reasonableness n. [rationality, reason] 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". wn
#2 reasonableness n. goodness of reason and judgment; "the judiciary is built on the reasonableness of judges". wn
#3 reasonableness n. [moderateness, modestness] 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". wn
#4 reasonableness n. moderation in expectations; "without greater reasonableness by both parties we will never settle this matter!". wn
#5 reasonableness n. [tenability, tenableness] the quality of being plausible or acceptable to a reasonable person; "he questioned the tenability of my claims". wn
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