Emily Dickinson Lexicon

AS-TON'ISH, v.t. [Old Fr. estonner, now étonner; L. attono, to astonish; ad and tono. Sax. gestun, noise, and stunian, to stun; G. staunen; Arm. eston, wonderfully. The primary sense is, to stop, to strike dumb, to fix. See Tone and Stun.]

To stun, or strike dumb with sudden fear, terror, surprise, or wonder; to amaze; to confound with some sudden passion. I Daniel, was astonished at the vision. – Dan. viii.