Definitions

1. noun

The act of inciting or instigating a crime or wrongdoing; aiding or assisting in a crime

“The police investigated the abettal of the bank robbery, seeking to determine the extent of each participant’s involvement.”

2. noun

A person who incites or instigates a crime or wrongdoing; an aider or assistant in a crime

“The authorities were seeking the individuals responsible for the abettal of the violent riot.”