To instigate, incite, provoke, to urge on: from the Anglo-Saxon eggion.
How does abet differ from incite and instigate as to the time of the action?
I have let you recruit criminals and instigate riots while you live in my mansion.
So many favors from heaven were calculated to instigate the malice of hell.
What might instigate him to this devilish act, I am not able to conjecture.