Dictionary / Vocabulary / 礼節
れいせつ
decorum; propriety; politeness
いかにも敬虔なるクリスチャンが送る、礼節重き言葉です。
So characteristic of what a pious Christian would say, this courteous phrase.
恩人に礼節を欠いてはなりませんよ。
You must not lack decorum dealing with your benefactors.
衣食足りて礼節を知る。
It is hard for an empty sack to stand straight.