trait, quality, attribute, distinguishing feature
Attribute, characteristic, quality, symptom, and others.
usual, characteristic, standard, symbolic.
Characteristic, facet, trait, indication, idiosyncrasy...
characteristic, particular, definite, especial, exact, special
characteristic, air, semblence, mannerism, features, dress
aspect, quality, characteristic, property, factor, trait, hallmark, facet
display, illustrate, portray, exhibit, narrate
feature, side, factor, angle, characteristic, facet, position, view, situation, scene, prospect, point of view, outlook
Text features help you better understand the text, such as; picture, captions, maps, sidebars, etc.
speciality, characteristic, character, aspect, constituent, component, element, factor, hallmark, mark, property, point, particularity, quality
Antonyms: abnormalities, deviations, differences, irregularities Synonyms: aspects, attributes, components, peculiarities, temperaments, specialties, tendencies, flavours, features, properties, qualities
A percipient is defined as a person who perceives (which is a noun), or as a synonym for the word 'discerning' (an adjective). Taking notice of someone's emotional state is a percipient characteristic.