fair
just
honest
judicial
unprejudiced
biddable
broad-minded
candid
clear-headed
clear-sighted
discern
farseeing
high-minded
law-abiding
levelheaded
open-minded
perspicacious
right-minded
sober-minded
sweet-tempered
trustworthy
unbiased
unimpassioned
warm-hearted
well-disposed
well-educated
well-informed