From verb astonish + suffix of state -ment
- Amazement, great surprise
- An amazing thing or phenomenon.
#* 1964: w:Roald Dahl|Roald Dahl, w:Charlie and the Chocolate Factory|Charlie and the Chocolate Factory
#*: Everything he had seen so far--the great chocolate river, the waterfall, the huge sucking pipes, the candy meadows, the Oompa-Loompas, the beautiful pink boat, and most of all, Mr. Willy Wonka himself--had been so astonishing that he began to wonder whether there could possibly be anymore astonishments left.