動詞 palliate:

1. lessen or to try to lessen the seriousness or extent of
   同義詞：extenuate, mitigate
2. provide physical relief, as from pain
   同義詞：relieve, alleviate, assuage

pal.li.ate

v.tr.（及物動詞）
pal.li.at.ed,pal.li.at.ing,pal.li.ates
To make (an offense or crime) seem less serious; extenuate.
減輕，緩和：減輕痛苦，掩飾罪過；減輕
To make less severe or intense; mitigate:
掩飾：使不那么嚴(yán)重或緊張；緩和：
例句：
tried unsuccessfully to palliate the widespread discontent.
不成功地盡力去減輕普遍的不滿

To relieve the symptoms of a disease or disorder.
減輕：減輕疾病或小病的征兆

來源：
Middle English palliaten
中古英語 palliaten
from Late Latin palli3re palli3t- [to cloak, palliate]
源自 后期拉丁語 palli3re palli3t- [包庇，減輕，掩飾]
from Latin pallium [cloak]
源自 拉丁語 pallium [包庇]

【引伸】
pal.lia.tion
n.（名詞）
pal.lia.tor
n.（名詞）
<參考詞匯><同義詞>palliate,extenuate,gloss,gloze,whitewashThe central meaning shared by these verbs is .to cause a fault or offense to seem less grave or less reprehensible.:
這些動詞所共有的中心意思是：.使錯誤或罪過看起來不那么嚴(yán)重和應(yīng)受譴責(zé).：
例句：
palliate a crime;
減輕罪過；

例句：
couldn`t extenuate the malfeasance;
不能掩飾罪過；

例句：
glossing over an unethical transaction;
掩飾不合理的交易；

例句：
glozing sins and iniquities;
掩飾罪過和罪惡；

例句：
whitewashed official complicity in political extortion. See also Synonyms at relieve
掩飾政治糾紛中的官方?jīng)_突 參見同義詞 relieve