Capable of operating without external control or intervention. / Done out of habit or without conscious thought. / Necessary, inevitable, prescribed by logic, law, etc.

A car with automatic transmission. / A semi-automatic pistol.

The ability to do things without occupying the mind with the low level details required.

In an automatic manner.

plural of automatic

plural of automaticity

Archaic form of automatic.

Quality of being automatic.

Acting automatically or involuntarily. / The power of initiating vital processes from within the cell, organ, or organism, independent of external stimulus.

To make or become automatic. / To cause to be automated; to automate.