A rapprochement is an increase in friendliness between two countries, groups, or people, especially after a period of unfriendliness.
例句
There have been growing signs of a rapprochement with Vietnam.同越南恢复友好关系的迹象越来越明显了。...the process of political rapprochement between the two former foes.两个宿敌之间的政治和解进程
英汉词典释义
n.
(外交)(尤指两国间的)友好关系恢复
There’re signs of rapprochement between George and his son.乔治和他儿子间有恢复关系的迹象。