Korean pronunciation lookup
타당성
Said in one Korean podcast line.
그런 것도 사실 굉장히 일리가 있는, 타당성이 있는 말이에요.
That's actually a very reasonable and valid point.

디자인말하기디자인썰전™ 1화 2부: 개인적 디자인 Vs. 사회적 디자인
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Korean books and courses on Amazon (affiliate link).