The term "Pharology" refers to the study of lighthouses, their history, evolution, and technology. Synonyms for Pharology include Beaconology, Lighthousekeeping, and Illumination Science. Beaconology pertains to the study of structures that emit beacons such as lighthouses and navigational buoys. Lighthousekeeping is the act of maintaining lighthouses to ensure their proper functioning. Meanwhile, Illumination Science is the scientific study of light and its interaction with matter. These synonyms all concern the study of lighthouses, but they offer different perspectives and methods of inquiry into the subject matter. Studying Pharology and its synonyms have become more critical nowadays as many lighthouses are slowly becoming obsolete due to technological advances in navigation, thus necessitating their preservation and promotion of their historical importance.