1
strikingly(adverb, greatness)
1
stunnedly
1
stunningly
1
stupendous
1
stupendously(adverb, greatness)
1
suddenly(adverb, surprisingly)
1
superlatively(adverb, pretty, absolutely, much, extremely)
1
surpassingly(adverb, pretty, absolutely, much, extremely)
1
truly(adverb, pretty, absolutely, much, extremely)
1
wonderingly
0
aglitter
0
alarmingly
0
appalling
0
arrestingly
0
assai
0
astonishes
0
astonishing
0
bafflingly(adverb, strangely, curiously, puzzlingly)
0
bemusedly
0
bewilder
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APASmart Define. (2016). astonishingly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/astonishingly/thesaurus/synonyms
ChicagoSmart Define. 2016. "astonishingly thesaurus" https://smartdefine.org/astonishingly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, astonishingly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/astonishingly/thesaurus/synonyms>.
MLASmart Define. "astonishingly thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/astonishingly/thesaurus/synonyms>