Definify.com
Webster 1913 Edition
Instigator
In′sti-gaˊtor
,Noun.
[L.: cf. F.
instigateur
.] One who instigates or incites.
Burke.
Syn. – inciter, instigant.
Webster 1828 Edition
Instigator
IN'STIGATOR
,Noun.
1.
That which incites; that which moves persons to commit wickedness.