verb (used with object), in·sti·gat·ed, in·sti·gat·ing.
1.
to cause by incitement; foment: to instigate a quarrel.
2.
to urge, provoke, or incite to some action or course: to instigate the people to revolt.
Origin: 1535–45; < Latininstīgātus past participle of instīgāre to goad on, impel, equivalent to in-in-2 + -stīg- goad, prick (akin to stigma, stick2) + -ātus-ate1