ASTOUNDING
astounding, dumbfounding, dumfounding
(adjective) bewildering or striking dumb with wonder
astonishing, astounding, staggering, stupefying
(adjective) so surprisingly impressive as to stun or overwhelm; “such an enormous response was astonishing”; “an astounding achievement”; “the amount of money required was staggering”; “suffered a staggering defeat”; “the figure inside the boucle dress was stupefying”
Source: WordNet® 3.1
Verb
astounding
present participle of astound
Adjective
astounding (comparative more astounding, superlative most astounding)
That astounds or astound.
Synonyms
• amazing, extraordinary, fantastic, incredible, marvelous, miraculous, phenomenal, remarkable, unbelievable
• See surprising
Source: Wiktionary
As*tound"ing, a.
Definition: Of a nature to astound; astonishing; amazing; as, an astounding
force, statement, or fact.
– As*tound"ing*ly, adv.
ASTOUND
As*tound", a. Etym: [OE. astouned, astound, astoned, p. p. of astone.
See Astone.]
Definition: 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.] Etym: [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.
Source: Webster’s Unabridged Dictionary 1913 Edition