astoundable

Adjective

 * 1) Capable of being astounded.
 * 2) * 1838,, letter to , cited in T. Wemyss Reid, The Life, Letters, and Friendships of Richard Monckton Milnes, First Lord Houghton, London: Cassell, Volume 1, pp.220-221,
 * Have you ever seen any of ’s poetry? I think of publishing some selections from him which will astonish those who are astoundable by anything of this kind.