The phrase "get along" means to have a friendly relationship with someone or to be able to cooperate with them. There are several other synonyms for the phrase, including "get on," which has the same meaning. Other synonyms include "get by," which means to manage or survive in a given situation, and "get together," which means to meet socially. "Be compatible," "coexist," and "harmonize" are other synonyms that can be used in specific contexts. Each of these synonyms conveys a similar idea of relationships with others and the ability to work together effectively.