concerning

To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.

To engage by feeling or sentiment; to interest.

"A good prince concerns himself in the happiness of his subjects."

To make somebody worried.

"I’m concerned that she’s becoming an alcoholic."

That which one is concerned in; one's business.

Causing concern; worrisome.

"it's very concerning that our neighbour seems to be crying very loudly these days"

Important.

Regarding, respecting.

"Physically, everything is perfect, but concerning your mental state, you have some problems."