Noah Webster's Dictionary 1. (v. t.) To stun; to render senseless, as by a blow. 2. (v. t.) To strike with sudden fear, terror, or wonder; to amaze; to surprise greatly, as with something unaccountable; to confound with some sudden emotion or passion.

Multi-Version Concordance Astonish (1 Occurrence) Isaiah 52:15 so shall he astonish many nations; kings shall shut their mouths at him: for what had not been told them shall they see, and what they had not heard shall they consider. (DBY)