話はなし合あいがつく

expression, godan verb (-ku)

come to an agreement; reach a mutual understanding; settle through discussion

Used when parties resolve a matter through discussion and reach a conclusion or compromise. Often implies a process of negotiation.

• 両りょう親しんとよく話はなし合あいがついて、留りゅう学がくを許ゆるしてもらった。

  After thorough discussion, I came to an agreement with my parents and they allowed me to study abroad.