The phrase "comes to know" refers to the process of gaining knowledge or becoming aware of something. Synonyms for this phrase include discovering, learning, finding out, comprehending, realizing, understanding, grasping, apprehending, and perceiving. These words all convey a sense of uncovering information or gaining insight into a subject. Each synonym may have a slightly different connotation depending on the context in which it is used, but all of them suggest that the person has gained a new understanding or awareness of something they did not previously know. Using a variety of synonyms when writing can make the text more interesting and engaging for the reader.