wondrous wondrous /ˈwʌndrəs/

adjective

1. () Extraordinarily good or great; used especially as intensifiers  ( grand , howling , marvellous , fantastic , marvelous , rattling , terrific , tremendous , wondrous , wonderful )
   extraordinarily good or great; used especially as intensifiers
    A fantastic trip to the Orient
   a fantastic trip to the Orient
    The film was fantastic!
   the film was fantastic!
    A howling success
   a howling success
    A marvelous collection of rare books
   a marvelous collection of rare books
    Had a rattling conversation about politics
   had a rattling conversation about politics
    A tremendous achievement
   a tremendous achievement
   

adverb

1. [Archaic] Extremely well  ( marvellously [Canadian, British] , terrifically , toppingly [Archaic] , marvelously [American] , superbly , wonderfully , wondrous [Archaic] , wondrously )
   extremely well
    Her voice is superbly disciplined
   her voice is superbly disciplined
    The colors changed wondrously slowly
   the colors changed wondrously slowly