話が通じる

話が通じる (はなしがつうじる) means to be able to communicate with someone.

Kana
はなしがつうじる
Meaning
to be able to communicate with someone
Japanese Example
彼は冷静に話せば、ちゃんと話が通じる人だ。
Translation
If you talk to him calmly, he is someone you can actually communicate with.