Astounding
Pronunciation : As*tound"ing
Part of Speech : a.
Definition : Defn: Of a nature to astound; astonishing; amazing; as, an astounding force, statement, or fact. -- As*tound"ing*ly, adv.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder