astonishing

adjective

amazing, noteworthy, surprising, astounding

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Wiktionary

Pronunciation: /əˈstɒnɪʃɪŋ/ / /əˈstɑnɪʃɪŋ/

adj

Causing astonishment.
“astonishing display”
“astonishing performance”

verb

present participle and gerund of astonish