"Catch somebody's eye" is a phrase that means to attract someone's attention or to be noticed by someone. There are several synonyms for this phrase, including "captivate", "entice", "fascinate", "draw in", "grab", "enthral", "appeal to", "arouse interest", and "pique curiosity". These words all convey a sense of someone being compelled to pay attention to something or someone that has captured their interest or imagination. Whether it's a striking piece of artwork, an intriguing advertisement, or a charming personality, catching someone's eye is an essential part of making a lasting impression and creating a memorable experience.