Immunologically, which refers to the ways in which the immune system responds to pathogens or foreign substances, has many synonyms that can be used in different contexts. Some of the synonyms include immunologic, immunoreactive, immunogenic, and immunochemical. These words all relate to the immune system's ability to recognize and respond to foreign substances. Immunologically can also be replaced with other phrases, such as through immune response, mediated by the immune system, or pharmacologically modulated immune response. Knowing these synonyms can help writers effectively communicate concepts related to the immune system and its responses.