Lewis Short
(verb) : in-stĭmŭlo, āvi, ātum, 1
* To prick or urge on, to stimulate (poet.): aliquem,Ov. F. 6, 508: verbis,id. M. 14, 495; Stat. Th. 1, 715: voce,Sil. 2, 543: falso instimulari,Dig. 5, 2, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary