Answer: takenaback

AnswerCrossword Clue
TAKENABACKAmazed
TAKENABACKStartled and confused
TAKENABACKSurprised.
TAKENABACKVery surprised, through the looking glass
TAKENABACKSurprised at sea by a sudden wind shift
TAKENABACKSurprised and flustered
TAKENABACKNonplussed