noun
manners; etiquette; polite behavior
Refers to socially expected polite conduct, rules of etiquette, or good manners in various settings.
食事のマナーを守りましょう。
Let's observe table manners.
彼はビジネスマナーに詳しい。
He is knowledgeable about business etiquette.
Loanword from English 'manner', adopted into Japanese with the meaning of manners or etiquette.