to date; to associate with
昨日トムに告白されて、付き合うことになりました。
Tom confessed his feelings to me yesterday, and we started dating.
トムは、他の人と普通に付き合うことができないようです。
It seems Tom can't get along with other people normally.
今は誰とも付き合う気がないの
I’m not looking to date anyone right now.
— ビッグ・シック ぼくたちの大いなる目ざめ (2017)
あんな奴らと、付き合うな。
Don't associate with people like that.
付き合うとしたらトムとジョンどっちがいい？
If you had to choose between Tom and John to date, who would you pick?
そんな男とは付き合うな。
Don’t date a guy like that.
付き合う前は何でもはっきり言って付き合ってからは曖昧にいくのが基本だろ
Before you start dating, you should be upfront about everything. Once you’re together, keeping things vague is the basic rule, right?
— 天気の子 (2019)
付き合う仲間を見れば、その人がわかるものだ。
You can tell what kind of person someone is by the company they keep.