AMAZED or ASTONISHED means (both are same), Filled with the emotional impact of overwhelming surprise or shock. Eg- "an amazed audience gave the magician a standing ovation" or "Your ability to speak six languages amazes me!" or "I stood enthralled, astonished by the vastness and majesty of the cathedral" SURPRISED means, Taken unawares or suddenly and feeling wonder or astonishment. Eg - "surprised that he remembered my name"; "a surprised expression" FLABBERGASTED means, As if struck dumb with astonishment and surprise OR Overcome with amazement. Eg - "the flabbergasted aldermen were speechless" I hope this is helpful.