wondrous - adjective

• extraordinarily good or great ; used especially as intensifiers

wondrous - adverb

• (used as an intensifier) extremely well

wondrous - thesaurus

fantastic   grand   howling   marvellous   marvellously   marvelous   marvelously   rattling   superbly   terrific   terrifically   toppingly   tremendous   wonderful   wonderfully   wondrously