noun
polite formula; empty compliment; lip service
Refers to conventional polite phrases or flattery said for social form, not meant to be taken literally. Often used in the phrase 社交辞令に過ぎない (it's just a polite formula).
彼の褒め言葉は単なる社交辞令だ。
His compliment was just a polite formula.
社交辞令を真に受けてはいけない。
Don't take polite flattery at face value.