adjective
: causing or tending to cause astonishment especially by surpassing expectation or ready belief : surprising , amazing
the longbow and the arrow which whizzed from it with astonishing power — Hardiman Scott
an astonishing success story
an astonishing eye for seeing sermons in stones — C.D.Lewis
• as·ton·ish·ing·ly adverb
• as·ton·ish·ing·ness noun -es