fas ‧ ci ‧ na ‧ tion /ˌfæsəˈneɪʃ ə n, ˌfæsɪˈneɪʃ ə n/ BrE AmE noun
1 . [singular, uncountable] the state of being very interested in something, so that you want to look at it, learn about it etc ⇨ obsession
fascination for/with
Police knew of his fascination with guns.
in fascination
The children watched in fascination.
2 . [uncountable and countable] something that interests you very much, or the quality of being very interesting
hold/have a fascination for somebody
India will always hold a great fascination for me.
The fascination lay in the mystery of what was inside the box.