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v. Present participle of astound.

adj. That astounds or astound.

adj. Of a nature to astound; astonishing; amazing.

Causing or fitted to cause surprise or wonder; causing amazement; highly astonishing.

adj. so surprisingly impressive as to stun or overwhelm

adj. bewildering or striking dumb with wonder

"What he discovered was what he called an "astounding similarity between myths collected in widely different regions" of the world."

impressive    incredible    unbelievable   

astonishing    amazing   

astound   

abounding    bounding    compounding    confounding    expounding    founding    grounding    hounding    impounding    pounding