To a certain extent; reasonably; in its own way—appropriate or adequate given the circumstances.
忙しくて完璧にはできなかったが、それなりに満足している。
I was busy and couldn't do it perfectly, but I'm reasonably satisfied.
高級な素材ではないが、それなりに見栄えがする。
It's not made of high-end materials, but it looks decent in its own way.
彼は経験が浅いが、それなりに役に立つ。
He is inexperienced, but he is useful to some extent.