automatic

pluralautomatics

adjective: operating by itself with little or no direct human control
- The automatic door opened as soon as I approached.
adjective: done or occurring spontaneously, without conscious thought or intention
- Breathing is an automatic bodily function.
adjective: happening by default as a direct consequence of an action, especially as mandated by a rule or law
- Failure to comply with the regulations results in automatic disqualification.