amazing, astonishing -- (surprising greatly; "she does an amazing amount of work"; "the dog was capable of astonishing tricks")
amazing, awe-inspiring, awesome, awful, awing -- (inspiring awe or admiration or wonder; "New York is an amazing city"; "the Grand Canyon is an awe-inspiring sight"; "the awesome complexity of the universe"; "this sea, whose gently awful stirrings seem to speak of some hidden soul beneath"- Melville; "Westminster Hall's awing majesty, so vast, so high, so silent")