allay ameliorate assuage mitigate mollify placate quell repress smooth over soothe tame calm chasten compose con conciliate cool dulcify grease lull moderate propitiate qualify quiet relieve silence soft-pedal soften square still stroke subdue sweeten temper tranquilize bury the hatchet butter up fix up kiss and make up lay back make peace pacificate put the lid on take the edge off