decorously
US /ˈdɛkərəsli/
UK /ˈdɛkərəsli/
副詞
礼儀正しく, 上品に, 慎み深く
in a manner that is polite and restrained, especially in social situations
例:
•
She behaved very decorously at the formal dinner.
彼女は公式の夕食で非常に礼儀正しく振る舞った。
•
The children sat decorously in their seats during the play.
子供たちは劇の間、行儀よく席に座っていた。