Lewis & Short

ex-stĭmŭlo (ext-), āvi, ātum, 1, v. a., to prick up, to goad (poet. and in post-Aug. prose).

  1. * I. Lit.: aculeo, Plin. 9, 37, 61, § 132.
  2. II. Trop., to goad on, excite, instigate, stimulate: aliquem dictis, Ov. F. 6, 588: corda furore bellandi, Sil. 1, 38; cf.: armentum libidinis furiis, Col. 6, 27, 3: tigrim fame, Ov. M. 5, 165: animum, Tac. A. 15, 50: libidinem, Col. 8, 11, 8: fata cessantia, i. e. to hasten death, Ov. Tr. 3, 2, 29.
    Pass.: exstimulatur a libertis, ut ostenderet, Tac. A. 4, 59.