Habituation is a process of learning in which an organism's response to a stimulus decreases over time. COMPLIANCE is the act of conforming to a set of rules or standards, and ADAPTATION is the process of adjusting to new conditions. INCREMENT is an increase in size, amount, or degree, and inurement is the process of becoming accustomed to something. All of these terms are related to habituation, as they all involve the process of becoming accustomed to something.