īnstīgō āvī, ātus, āre STIG-, to goad on, urge, stimulate, stir, set on, incite, instigate: si hic non insanit satis suā sponte, instiga, T.: instigante te, at your instigation: sequentem studiis, V.: Romanos in Hannibalem, L.: agmen, O.: conscientiā facinoris instigari, Cs.