There are several synonyms for the phrase "become friends." One of the most common alternatives is "make friends," which means to establish a friendly relationship with someone. Another similar phrase is "bond with," which implies a strong emotional connection between individuals. "Forge a friendship" is another phrase that expresses the process of creating a lasting relationship with someone. "Develop a friendship" refers to a gradual progression toward a deeper connection, while "cultivate a friendship" suggests an intentional effort to maintain and strengthen a relationship over time. Ultimately, regardless of the specific term used, the act of "becoming friends" is a meaningful and important aspect of human connection.