妥当な

reasonable

→ 妥当だ
phrase Rare #32,993
reasonable Used before a noun to describe something as reasonable, appropriate, or valid.
JA: これは妥当な判断だと思います。
EN: I think this is a reasonable decision.

彼の理論は妥当なものとして広く認められている。

His theory is widely accepted as valid.

我々の観点から言うと、彼の提案は妥当なものだ。

From our perspective, his proposal is reasonable.

中止は妥当な判断だね。

Calling it off was the right call.

曖昧な記録に基づく事件にそれが妥当な意見だ

That’s a reasonable opinion in a case based on ambiguous records.

— 落下の解剖学 (2023)