astound Synonyms

amaze astonish leave open-mouthed surprising surprise stupefy stun startle stagger shock shake rock petrify throw unnerve leave aghast knock for six blow away bowl over take aback dumbfound shake up strike dumb upset unsettle perplex overwhelm nonplus dazzle daze confuse confound boggle bewilder bedazzle awe appall amazed disconcert dismay mystify jolt horrify frighten floor flabbergast electrify dumfound disturb disquiet