competent

Having sufficient skill, knowledge, ability, or qualifications.

He is a competent skier and an expert snowboarder.

I believe in that myself because it has been explained by competent men as the convolutions of the grey matter.

Having jurisdiction or authority over a particular issue or question.

For any disagreements arising from this contract, the competent court shall be the Springfield Circuit Court.

judicial authority having competent jurisdiction

Adequate for the purpose.

For if they [birds] had been Viviparous, the burthen of their womb, if they had brought forth any competent number at a time, had been ſo big and heavy, that their wings would have failed them, and ſo every body would have had the wit to catch the Old one.

Functionally in order; functioning adequately.

a competent sphincter;   a competent cervix;   a competent immune system

Permeable to foreign DNA.