In a striking manner or degree.

In a fascinating manner or to a fascinating degree; so as to be bewitching, captivating, or extremely interesting. Also as a sentence adverb.

In an interesting manner, so as to interest.

in an engrossing manner.

In an absorbing manner; engrossingly, rivetingly.

In a riveting manner; compellingly, enthrallingly.

In a manner that arrests attention; strikingly.

in an intriguing manner; with secret machinations.

In accordance with a psychological compulsion (see compulsion, n. 2); in a compulsive manner (see compulsive, adj.).