顔を合わせる

顔を合わせる (かおをあわせる) means to meet face-to-face.

Kana
かおをあわせる
Meaning
to meet face-to-face
Japanese Example
明日の会議で初めて全員が顔を合わせる。
Translation
Everyone will meet face-to-face for the first time at tomorrow’s meeting.