Flabbergastment

It was the Wells-Fargo coach, the Deadwood coach of Buffalo Bill's Wild West, the coach from which steps that pulchritudinous schoolmarm from the East to the flabbergastment of gawping cowpokes.

I even attempted tears myself, but flabbergastment dried my eyes.

She had the immense satisfaction of watching him trip over his own tongue, a look of total flabbergastment flooding over his face.