Synonyms of the word

staggering

• v. present participle of stagger.
• adj. Incredible, overwhelming, amazing.
• n. The motion of one who staggers.
• n. That which staggers something or somebody.

astonishing

• adj. Causing astonishment in; causing to be astonished.
• v. present participle of astonish.

astounding

• v. present participle of astound.
• adj. That astounds or astound.

impressive

• adj. Making, or tending to make, a positive impression; having power to impress.
• adj. Capable of being impressed.
• adj. Appealing.

stupefying

• v. present participle of stupefy.