mītĭgātīvus

a, um, adj.

id.

I. soothing, mitigative (post-class.): curatio, Cael. Aur. Acut. 1, 5, 45: cataplasma, id. Tard. 2, 1, 52; 5, 2, 37.
Lewis & Short
A Latin Dictionary, 1879
An open-access project