absolute
arbitrary function
capricious
discretional
discretionary
impulsive
whimsical
absolutist
absolutistic
aristocratic
arrogant
autarchic
authoritarian
authoritative
autocratic
autonomous
bossy
careless
chance
chancy
cranky
crotchety
despotic
dictatorial
dogmatic
domineering
doubtful
elective
erratic
fanciful
fantasied
fantastic
feudal
flaky
freakish
free
free will
gratuitous
grinding
harebrained
heedless
high-handed
humorsome
iffy
imperative
imperial
imperious
impetuous
inadvertent
inconsiderate
inconsistent
independent
absurd
cruel
erroneous
legal
random
tyrannical
unjust
unreasonable