mitigativus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

mītĭgātīvus, a, um, adj. [mitigo],

soothing, mitigative (post-class.): curatio, Cael. Aur. Acut. 1, 5, 45: cataplasma, id. Tard. 2, 1, 52; 5, 2, 37.