impressive
surprising
amazing
appalling
astounding
breathtaking
confounding
conspicuous
egregious
electrifying
exceptional
extraordinary
eye-opening
fabulous
fantastic
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incredible
jarring
jolting
marked
marvelous
mind-boggling
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notable
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noticeable
of mark
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prodigious
remarkable
shocking
signal
spectacular
staggering
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striking
stunning
stupendous
superior
uncommon
wonderful
wondrous
admonishing