Synonyms for Astounded:

adj.

astonished (adjective)
staring, aghast, alarmed, gawking, overwhelmed, astonished, wondering, Marveling, thunderstruck, bewildered, dumbfounded, appalled, confounded, fascinated.
confused (adjective)
bewildered.

n.

psyched, lost for words, thunderstruck, Staggered, speechless. astounded (noun)
stunned, surprised, astonied, astonished, amazed.

v.

amazed (verb)
amazed, impressed, stunned, surprised, dazed, dazzled.
surprised (verb)
jolted, caught unawares, taken aback, took aback, shocked, startled.
wondered (verb)
engrossed, Wondered, stared, gawked, Gaped, Marveled.

Other synonyms:

Staggered, speechless. Other relevant words:
thunderstruck, Staggered, astonied, speechless, aghast.

Usage examples for astounded

  1. I wondered at the time how it could pay to run an ocean steamer with so few people; but when we got into calm water and could see the green fields, I was astounded to see the number of people who appeared. – Edison, His Life and Inventions by Frank Lewis Dyer and Thomas Commerford Martin
  2. He astounded Twichell with his faculty. – Mark Twain, A Biography, 1835-1910, Complete The Personal And Literary Life Of Samuel Langhorne Clemens by Albert Bigelow Paine Last Updated: February 20, 2009