Active intellect is a complex concept that pertains to the mind or the soul. There are various synonyms for this term that exhibit different shades of meaning. Some of the most common synonyms include operating intelligence, active reason, and energized intellect. Other suitable alternatives can be dynamic intelligence, stimulated mind, and engaged spirit. In philosophical and theological literature, it is also referred to as the agent intellect, rational soul, and moving force. Regardless of the terminology used, the active intellect denotes the faculty that enables human beings to reason, understand, and discern truths, and participate in the world, both cognitively and practically.