Attributes of intelligent behaviour include mental alertness, ready wit, quickness in learning, and the ability to understand relationships. It also involves the power of perceiving, learning, understanding, and knowing, along with the ability to judge well, understand well, and reason well. Furthermore, intelligent behaviour manifests as the capacity to understand complex ideas, adapt to environment, learn from experience, engage in various forms of reasoning, and overcome obstacles.

Based on these attributes, intelligence can be defined as the global capacity to understand the world, think rationally, and use available resources effectively when faced with challenges. It is the global and aggregate capacity of an individual to think rationally, act purposefully, and deal effectively with her/his environment.