Crossword clues for the word: INSTIGATOR The word INSTIGATOR has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for INSTIGATOR Showing 1 to 4 of 4 results Clue(s) Firebrand One setting off organist raving about note later in scale? Ringleader Riot-causing reptile?