The phrase "was surprised" can be effectively replaced by multiple synonyms, each of which offers a unique nuance to the sentiment. One such synonym is "was taken aback", which implies a sudden and unexpected reaction to a specific situation. "Was astonished" is another phrase that conveys shock and disbelief in response to an unforeseen event. "Was shocked" indicates a sense of disbelief and discomfort, illustrating an inability to process the given scenario. Similarly, "was stupefied" reflects a state of bewildered confusion, suggesting a lack of coherent thought. These synonyms provide an array of options that can capture the essence of being surprised in different ways.