see off
US /siː ˈɔːf/
UK /siː ˈɔːf/

1.
見送る, 送り出す
to say goodbye to someone who is leaving, for example at an airport or station
:
•
We went to the airport to see them off.
彼らを見送りに空港へ行った。
•
My parents came to see me off at the train station.
両親が駅まで私を見送りに来てくれた。