Sedátio, ônis, f. g. Verbal. A mitigation or qualifying. vt,Sedatio aninu.Cic.Afferre sedationem. Ci. To appease or quiet.Perturbationum sedatio.Cic.The appeasing or quieting of troubles.
Lewis and Short: Latin dictionary
sēdātĭo, ōnis, 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.