The term "active sensory system" refers to a biological system that gathers and processes information about the environment through various sensory mechanisms. Synonyms for this term include "dynamic sensory system," "responsive sensory system," and "engaged sensory system." These synonyms all imply a degree of action and participation on the part of the system, as opposed to a purely passive system that simply receives information without actively engaging with the environment. Additionally, the terms "integrated sensory system" and "coordinated sensory system" suggest a close relationship and interdependence between the different sensory mechanisms involved in the system. Each of these synonyms highlights different aspects of the complex and multifaceted process by which organisms perceive and interact with their surroundings.