wondrous vs fantastic

wondrous and fantastic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
wondrous	No	Yes	No	Yes
fantastic	No	Yes	No	No

As adjectives, wondrous and fantastic are synonyms defined as:

wondrous and fantastic: extraordinarily good or great; used especially as intensifiers

Other synonyms of wondrous include grand, howling, marvellous, marvelous, phenomenal, rattling, terrific, tremendous, wonderful.

wondrous (adjective)	fantastic (adjective)
extraordinarily good or great; used especially as intensifiers	extraordinarily good or great; used especially as intensifiers
	extravagantly fanciful in design, construction, appearance
	ludicrously odd
	existing in fancy only
	fanciful and unrealistic; foolish

wondrous (adverb)	fantastic (adverb)
(used as an intensifier) excellently