Lewis Short
insĭnŭātĭo (noun F) : insinuo
* An entrance through a narrow or crooked way.
* Lit.: Ponti,Avien. Perieg. 397.
* Trop.
* An insinuating or ingratiating one's self into the favor of others: exordium in duas partes dividitur, in principium et insinuationem.... Insinuatio est oratio, quadam dissimulatione et circuitione obscure subiens auditoris animum,Cic. Inv. 1, 15, 20.
* A notification, publication, Cod. Just. 8, 54, 32.
Charlton T. Lewis, Charles Short, A Latin Dictionary