Lewis Short
sēdātĭo (noun F) : sedo, II.
* An allaying, assuaging, calming of the passions (Ciceron.): perturbationum animi,Cic. Off. 1, 27, 93: maerendi,id. Tusc. 3, 27, 65: aegritudinis,id. ib. 4, 29, 63: animi,id. Fin. 1, 19, 64.
Charlton T. Lewis, Charles Short, A Latin Dictionary