Словарь синонимов английского языка - sweeten

(v) 1. sugar, sugar-coat: Can you think of nothing that would sweeten the bad news? 2. dress up, make more attractive or agreeable, sugar-coat, embellish, embroider; make less painful, mitigate, alleviate, assuage, lighten, soften, palliate, mollify, ease, allay, moderate, temper: Perhaps the shareholders would be more amenable to the take-over were the buyers to sweeten the offer.