There are numerous synonym phrases that can be used in place of "is interesting to." These phrases can add variety and depth to our language. To capture a person's attention, we can say "captivating to," "gripping to," or "compelling to." To express enthusiasm, we can use "intriguing to," "stimulating to," or "fascinating to." Other options include "appealing to," "absorbing to," "engrossing to," and "enticing to." By choosing the right synonym phrase, we can communicate more effectively and engage our audience in a more meaningful way.