(n.) A distinguishing or marked feature; a peculiarity; as, a trait of character.

acculturation affection air aroma attribute badge banner bearing birthmark brand brow cachet carriage cast cast of countenance character characteristic civilization color complex complexion configuration countenance cultural drift culture culture area culture center culture complex culture conflict culture contact culture pattern culture trait cut demeanor denominator device differentia differential distinctive feature earmark ethos face facial appearance favor feature features figure flavor folkways garb guise gust hallmark idiocrasy idiosyncrasy image impress impression index indicant indicator individualism insignia key trait keynote lineaments lines looks mannerism mark marking measure mien mold mores nature note odor particularity peculiarity physiognomy picture point port posture presence property quality quirk representation representative savor seal shape sigil sign signal signature singularity smack society specialty stamp stance sure sign symptom taint tang taste telltale sign token trait-complex traits trick turn virtue visage