arbitrary 9 Associations

absolute (similar term) capricious (similar term) impulsive (similar term) whimsical (similar term) discretionary (similar term) discretional (similar term) nonarbitrary (antonym)

unrestricted 12 Associations

all-weather (similar term) discretionary (similar term) open (similar term) open-plan (similar term) open-ended (similar term) free (related term) restricted (antonym)