stellar in WordNet English dictionary

1. being or relating to or resembling or emanating from stars
   "an astral body"; "stellar light"
   stellar  astral 
   
2. indicating the most important performer or role
   "the leading man"; "prima ballerina"; "prima donna"; "a star figure skater"; "the starring role"; "a stellar role"; "a stellar performance"
   leading  prima  star  starring  stellar