Believed in is a common phrase used to denote one's faith or trust in something or someone. However, there are several synonyms that can be used in place of 'believed in' to convey more depth and meaning. Some of the synonyms for 'believed in' are confide in, have faith in, have confidence in, trust, rely on, count on, depend on, put one's trust in, lean on, and bank on. Each of these phrases brings a slightly different connotation to the idea of trust, making them useful for different contexts. Whether it be a political leader, a close friend, or a religious belief, there are plenty of ways to express your confidence and belief.