As a Noun: 1. A very strong and powerful interest in something that takes all your attention and makes you think and wonder. English = fascination. As a Verb or Adjective: 1. To have a very strong and powerful interest in something that takes all your attention and makes you think and wonder. English = (be) fascinated by, (be) intrigued by. 2. To make someone feel a very strong and powerful interest in something by taking all their attention and making them think and wonder. English = fascinate, intrigue.