プログレッシブ和英中辞典(第３版)の解説
おんとう【穏当】
穏当な｜proper; appropriate
- 彼の発言はやや穏当を欠いた
What he said wasn't entirely reasonable. - それなら穏当な処置と言えるだろう
If that's the case, then 「the action you took was proper [the steps you took were appropriate].