/ ræˈprɒʃmɒ͂; ræˈprəʊʃmɒ͂; NAmE ˌræproʊʃˈmɑːn; -prɑːʃ-/ noun
[ sing. , U ] rapprochement (with sb) | rapprochement (between A and B) (from French , formal ) a situation in which the relationship between two countries or groups of people becomes more friendly after a period during which they were enemies :
policies aimed at bringing about a rapprochement with China
There now seems little chance of rapprochement between the warring factions.
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WORD ORIGIN
French , from rapprocher , from re- (expressing intensive force) + approcher to approach.