Grown-up and Skillful

Grown-up adjective - Relating to or typical of adults; displaying proper maturity.

Skillful and grown-up are semantically related. In some cases you can use "Skillful" instead an adjective phrase "Grown-up".

Skillful adjective - Accomplished with trained ability.

Grown-up and skillful are semantically related. Sometimes you can use "Grown-up" instead an adjective "Skillful".