Noah Webster
Lenitive
LEN'ITIVE, adjective [Latin lenio, to soften.]
Having the quality of softening or mitigating, as pain or acrimony; assuasive; emollient.
LEN'ITIVE, noun
1. A medicine or application that has the quality of easing pain; that which softens or mitigates.
2. A palliative; that which abates passion.