"WOWS" is a word that represents amazement or surprise. It can be replaced with other synonyms that carry a similar meaning, including "impresses," "astounds," "awes," "amazes," and "blows away." Other alternatives such as "stuns," "takes aback," or "leaves speechless" can be used when the reaction is particularly powerful. Alternatively, expressions like "knocks one's socks off," or "boggles one's mind" can also be used when something truly extraordinary occurs. Overall, there are numerous synonyms that can be used instead of "WOWS," each with its own nuances and connotations, but all primarily representing a sense of surprise or astonishment.