| A | B |
|---|
| authentic | genuine; real; reliable |
| autobiography | story of a person's life written by the person himself |
| autocrat | ruler exercising self-derived, absolute power; despot |
| autograph | person's signature written by himself |
| automatic | acting by itself; self-regulating |
| automation | technique of making a process self-operating by means of built-in electronic controls |
| automaton | purely mechanical person following a routine; robot |
| autonomous | self-governing; independent |
| autonomy | right of self-government |
| autopsy | medical examination of a dead body to determine the cause of death; postmortem examination |
