Definition: wonderfully surprising; amazing; flabbergasted; stupefy
Quotes:
• All that we don’t know is astonishing. Even more astonishing is what passes for knowing. — Philip Milton Roth (1933-2018) American novelist
• Isn’t it astonishing that all these secrets have been preserved for so many years just so we could discover them! — Orville Wright (1871-1912) American aviationist