Similar words: instigate, instigation, investigator, litigator, castigate, castigation, investigate, alligator. Meaning: ['ɪnstɪgeɪtə] 
n. 1. someone who deliberately foments trouble 2. a person who initiates a course of action.
n. 1. someone who deliberately foments trouble 2. a person who initiates a course of action. 
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1. He was accused of being the main instigator of the coup.
2. She was the instigator of their quarrel.
3. It is not a and differs from instigator in nature.
4. If we are really the instigator, we are awaiting punishment.
5. Amory Lovins is cofounder of the Rocky Mountain Institute and the instigator of ingenious ideas to transform the energy and automobile industries.
6. I was accused of being an archfascist a saboteur and the instigator of a resistance movement.
7. It's unclear what the cops planned to had they happened to corner a Wall Street rally instigator at a Shanghai nightspot.
More similar words: instigate, instigation, investigator, litigator, castigate, castigation, investigate, alligator, navigator, investigation, investigating, obligatory, mitigate, mitigated, litigation, mitigation, unmitigated, gator, nugatory, instil, instinct, instill, derogatory, rainstorm, institute, insulator, brainstorm, instructor, chain store, demonstrator.