Synonyms for Wondrous (same or very similar meaning)
WordNet sense 1 (extraordinarily good; used especially as intensifiers):
fantastic, grand, howling, marvelous, rattling, terrific, tremendous, wonderful, marvellousWordNet sense 2 (beyond what is ordinary or usual; highly unusual or exceptional or remarkable):
extraordinaryWordNet sense 3 ((used as an intensifier) extremely well):
marvelously, superbly, terrifically, wonderfully, wondrously, marvellously, toppinglyFrom the ODE community, based on WordNetadd/edit