Depolarization is a term commonly used in physiology to describe the process of reducing the electrical potential difference across the cell membrane of a nerve cell or muscle cell. However, there are several different words that can be used as synonyms for depolarization, depending on the context in which the term is being used. Some common synonyms include activation, stimulation, excitation, initiation, and triggering. Other terms that have similar meanings to depolarization include impulse conduction, nerve firing, and synapse firing. In summary, while depolarization is the most commonly used term for the physiological process in question, there are several other words that can be used as effective synonyms.