unreasonable not reasonable; not showing good judgment
just,
fair used especially of what is legally or ethically right or proper or fitting; "a just and lasting peace"- A.Lincoln; "a kind and just man"; "a just reward"; "his just inheritance"
logical capable of or reflecting the capability for correct and valid reasoning; "a logical mind"
rational having its source in or being guided by the intellect (as distinguished from experience or emotion); "a rational analysis"
valid still legally acceptable; "the license is still valid"
reasonableness the quality of being plausible or acceptable to a reasonable person; "he questioned the tenability of my claims"
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"
