Definitions for "Astonish"
To strike with sudden fear, terror, or wonder; to amaze; to surprise greatly, as with something unaccountable; to confound with some sudden emotion or passion.
surprise 16C La extonare "to strike by thunder", a blow on the head astonished a man
affect with wonder; "Your ability to speak six languages amazes me!"
Keywords:  senseless, stun, render, blow
To stun; to render senseless, as by a blow.