palliation

详细解释:n. 缓和, 辩解, 减轻
【法】 辩解, 掩饰的言词, 缓和

英语解释：

名词 palliation:

easing the severity of a pain or a disease without removing the causeto act in such a way as to cause an offense to seem less serious同义词：extenuation, mitigation