The term firasat (الفراسة) in the Islamic tradition refers to the ability to perceive and discern the inner state, character, and even hidden truths of a person through external signs, most notably physical appearance. Unlike a mere superficial "first impression," firasat is a structured discipline, likened by scholars to the science of medicine, where a trained physician diagnoses a disease by studying its external symptoms. The famous scholar Abu al-Qasim ar-Raghib traces the word's root to the Arabic phrase "farasa as-sabu'u asy-syāta," meaning "a beast of prey quickly seizing a sheep," capturing the essence of firasat as a rapid and acute perception of reality.