(1):

(n.) Disjunction; separation.

(2):

(n.) The quality of being discreet; wise conduct and management; cautious discernment, especially as to matters of propriety and self-control; prudence; circumspection; wariness.

(3):

(n.) Discrimination.

(4):

(n.) Freedom to act according to one's own judgment; unrestrained exercise of choice or will.