Breadcrumb Home > Dictionary > Index I instigation: Meaning and Definition of Find definitions for: in•sti•ga•tion Pronunciation: (in"sti-gā'shun), [key] — n. the act of instigating; incitement. an incentive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: instigation (Thesaurus) instigate instil ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language