instigate
/ˈɪnstəɡeɪt/verb
To set an action or event in motion, especially by urging or encouraging others.
Example sentences
- “He was blamed for instigating the argument.”
- “Officials claim outsiders instigated the unrest.”
Slightly sinister: people instigate quarrels, riots, and investigations. The 'instigator' is the one who started it.