na-adjective, noun
Describes physical health, mental soundness, or moral/functional wholesomeness of systems, organizations, or finances.
毎日運動して、健全な体を維持したい。
I want to maintain a healthy body by exercising every day.
会社の経営は健全だ。
The company's management is sound.
青少年に健全な娯楽を提供する。
Provide wholesome entertainment for young people.