Some synonyms for "interesting" include:
- Enthralling
- Captivating
- Engrossing
- Fascinating
- Gripping
- Intriguing
- Provocative
- Absorbing
- Compelling
- Riveting.
These words can be used to add variety and depth to your writing or speech. Each synonym carries its own nuances, so its important to choose the one that best fits the context in which you intend to use it.