wondrous

Adjective

• extraordinarily good or great; used especially as intensifiers
  • a fantastic trip to the Orient
    
  • the film was fantastic!
    
  • a howling success
    
  • a marvelous collection of rare books
    
  • had a rattling conversation about politics
    
  • a tremendous achievement
    

Adverb

• (used as an intensifier) extremely well
  • her voice is superbly disciplined
    
  • the colors changed wondrously slowly
    

Related words

• Synonyms: 
  wonderfully , wondrously , superbly , toppingly , marvellously , terrifically , marvelously