verb
abet
uh-BET/əˈbet/
Help or encourage someone to do something wrong.
The man abets the vandalism by handing over another spray-paint can.

Etymology
The baiting image involved causing dogs to bite or harass. From this came urging someone on, then encouraging through aid or approval—the connection to helping someone do wrong.
In context
And I must abet you? All right! I will do it; though you must forgive me if you should ever hear that I have abused you and said bad things of you.
More examples
- She abets her brother's cheating by giving him the answers.
- Anyone who knowingly aids and abets the fraud faces charges.
- He abetted the theft by keeping watch outside.
Forms
abet · abets · abetted · abetting
abettor noun — A person who helps or encourages wrongdoing.