Stellar (adjective)

1. Of or relating to the stars.
2. Extremely good; excellent.

Origin:

Late 17th century: from latin stellarius, from stella "star". the original sense was "of or relating to the stars", later "of exceptional quality".

Examples:

1. The planetarium show was a stellar performance.
2. The singer gave a stellar performance on stage.
3. The movie received stellar reviews.
4. The restaurant's food was stellar.
5. Her stellar academic record earned her a scholarship.