In such a manner as to be felt or perceived; so as to leave an impression behind.

With reference to speech or writing: so as to be easily understood or to make a strong impression on the mind; intelligibly, coherently…

impressively.

In a powerful manner; with power, authority, or might; strongly, forcibly; impressively, convincingly.

in an imposing manner; impressively.

In an impressive manner; in a way fitted to impress.

effectively, strikingly, significantly.

So as to indicate possession or ownership; so as to possess or captivate.