1. the state of being intensely interested in or attracted to something or someone
2. something that fascinates; an object or quality that holds strong interest or appeal

Examples

• Her fascination with ancient history led her to study archaeology in college.
• The child stared at the aquarium with fascination, watching the fish swim.
• He has a lifelong fascination with space exploration and astronomy.
• The magician's tricks held the audience in fascination.
• What began as a casual interest became an all-consuming fascination.
• She felt a strange fascination with the old abandoned house on the hill.