* Mesmerized: They are so focused on what they are experiencing, they are practically unaware of anything else.
* Hypnotized: They are entranced and their attention is completely held.
* Bewitched: They are charmed and enchanted by something, often to the point of being unable to think clearly.
Here are some examples:
* "The audience was spellbound by the magician's amazing tricks."
* "She was spellbound by the beauty of the sunset."
* "He was spellbound by her voice."
The word "spellbound" often implies that the person is experiencing something magical, powerful, or extraordinary. It conveys a sense of being completely absorbed and captivated.