If someone is accused of incitement to violent or illegal behaviour, they are accused of encouraging people to behave in that way. (Collins Dictionary)
To encourage someone to do or feel something unpleasant or violent: (Cambridge Dictionary)
The action of provoking unlawful behaviour or urging someone to behave unlawfully. (Oxford Dictionaries)
Prohibition of Incitement To Hatred Act, 1989.
The ‘Brandenburg test’ for incitement to violence.
Ku Klux Klan members were responsible for incitement to violence.