Physiognomic refers to the study or analysis of physical features, particularly the face, to determine a person's character traits or personality. Synonyms for this word may include facial analysis, facial profiling, physiognomical analysis, and facial recognition. Other synonyms might include reading facial expressions, analyzing body language, studying facial features, and examining physical characteristics to make determinations about a person's personality or temperament. These different terms all relate to the study of a person's physical features and expressions to gain deeper insight into their inner workings and thought processes. Whether used in scientific or layman's terms, each synonym seeks to understand the biology and psychology behind human behavior.