override

verb
  1. to use one’s authority to reject or cancel a decision made by someone else
  2. to be more important than something else
  3. to interrupt the normal operation of an automatic system and control it manually
  4. Usage: technical
noun
  1. the action of using authority to reject or cancel a decision
  2. a device or feature that allows manual control of an automatic system
  3. Usage: technical

Examples