brilliant
US /ˈbrɪl.jənt/
UK /ˈbrɪl.jənt/

1.
exceptionally clever or talented
:
•
She's a brilliant scientist.
•
He came up with a brilliant idea for the project.
2.
very good or excellent
:
•
The concert was absolutely brilliant!
•
What a brilliant idea!
3.
very bright and radiant
:
•
The diamond had a brilliant sparkle.
•
The sun was brilliant in the clear sky.