There are numerous synonyms for the phrase "being surprised." Some of the words that can aptly replace this phrase are "amazed," "astonished," "dumbfounded," "flabbergasted," "shocked," "bedazzled," and "stupefied." Each of these words has its own flavour of surprise, ranging from awe to disbelief. While "amazed" is commonly used to describe a pleasant surprise, "shocked" connotes an unpleasant or unwelcome surprise. "Stupefied" is often used to describe a state of surprise where one is unable to react or comprehend the situation. Using synonyms can add variety to one's writing and bring nuance to the expression of emotions.