Discretion

n.
  1. Disjunction; separation.
  2. The quality of being discreet; wise conduct and management; cautious discernment, especially as to matters of propriety and self-control; prudence; circumspection; wariness.
  3. Discrimination.
  4. Freedom to act according to one's own judgment; unrestrained exercise of choice or will.
    5. At discretion ,
    without conditions or stipulations.