Surprisingly, there are several synonyms that can be used to replace the word "surprisingly" in a sentence. These synonyms include unexpectedly, amazingly, astoundingly, shockingly, and bewilderingly. Each of these words has a slightly different connotation, with unexpectedly focusing on the element of surprise, amazingly emphasizing something impressive or awe-inspiring, astoundingly highlighting something that is hard to believe, shockingly emphasizing something that causes shock or disbelief, and bewilderingly indicating something that is confusing or disorienting. Choosing the right synonym for surprisingly will depend on the context and intended meaning of the sentence.