flabbergast Synonyms

boggle bowl over stupefy stun stump startle stagger shock shake puzzle perplex paralyse surprise boggle the mind throw knock socks off leave open-mouthed leave aghast knock for six take aback dumbfound shake up consternate strike dumb unsettle overwhelm overcome bemuse bedazzle bamboozle baffle awe astonish astound appall amaze alarm benumb bewilder confound nonplus floor fascinate dismay disconcert discomfit dazzle daze daunt confuse