adjective
stellar
STEL-er/ˈstelər/
Exceptionally good or impressive in quality.
The gymnast gives a stellar performance.

Etymology
From star-like brilliance, stellar came to praise quality as impressively high.
More examples
- The team produces stellar results.
- Her stellar work earns an award.
Forms
stellar
Similar words
- outstanding
- Noticeably better than ordinary.
- superb
- Of exceptionally high quality.