appeasable
conciliable
mitigable
pacifiable
benignant
broad-minded
clear-headed
complaisant
conciliatory
easygoing
equable
half-absent
humane
indulgent
lenient
liberal-minded
long-suffering
magnanimous
open-handed
self-restrained
soft-hearted
statesmanlike
sweet-mannered
teachable
tractable
transmissive