flabbergastation

We scarcely remember to have ever seen any respectable party in a greater state of flabbergastation than the writer of some observations in Mb. Cobden's Russo-Manchesterian organ, the Morning Star, of Thursday, December the fourth.

1856, Punch, Vol. 31, The Punch Office, page 240

Upon a sign, she takes ahold of two cords of black silk, to which were attached loops, through which she passes her arms, and in the twinkling of an eye is translated by two pulleys from her bed through the ceiling into the room above, and the trap closing as it has opened, left the old duenna in a state of great flabbergastation, when, turning her head, she neither saw robe nor woman, and perceived that the women had been robbed.

1832-1837, Honoré de Balzac, Droll Stories: Volume 2, Kessinger Publishing, page 65

I can recall my flabbergastation when in the house of a Jutlander of the middle class I heard him holding fluent converse with his children in some heathen dialect...

1918, Shaw Desmond, The Soul of Denmark, C. Scribner's Sons, page 96

Winchester .22 Automatic which we saw demonstrated (to our utter flabbergastation) in a local hardware store by a visiting Winchester representative.

1944, Field and Stream: Volume 49, CBS Publications, page 90