1.debut:
- the occasion when someone performs or presents something to the public for the first time.
- She made her professional stage debut in Swan Lake.
2.shiny:
- bright because it reflects light.
- Lars's new job is really shiny (= interesting and attractive).
3.innovative
- using new methods or ideas.
- She was an imaginative and innovative manager.
4.phenomenal
- extremely successful or special, especially in a surprising way.
- Her rise to fame was quite phenomenal.
5.decline
- to gradually become less, worse, or lower.
- His interest in the project declined after his wife died.