(used as an intensifier) extremely well; "her voice is superbly disciplined"; "the colors changed wondrously slowly"
If you describe something as wondrous, you mean it is strange and beautiful or impressive. We were driven across this wondrous vast land of lakes and forests. good or impressive in a surprising way (wonders (13-17 centuries), from the possessive form of wonder; influenced by marvelous)
Wonderful; astonishing; admirable; marvelous; such as excite surprise and astonishment; strange
extraordinarily good; 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"