Webster’s Revised Unabridged Dictionary · 1913
Astound
As·tound′ (ăs·tound′), a. [OE. astouned, astound, astoned, p. p. of astone. See Astone.] Stunned; astounded; astonished. [Archaic] Spenser.
Thus Ellen, dizzy and astound. As sudden ruin yawned around. Sir W. Scott.
As·tound′, v. t. [imp. & p. p. Astounded, [Obs.] Astound; p. pr. & vb. n. Astounding.] [See Astound, a.] 1. To stun; to stupefy.
No puissant stroke his senses once astound. Fairfax.
2. To astonish; to strike with amazement; to confound with wonder, surprise, or fear.
These thoughts may startle well, but not astound The virtuous mind. Milton.