typical, feature, identifying, distinctive, distinguishing, peculiar, symptomatic, diagnostic, characteristical, peculiarity, more...

atypical, uncharacteristic, uncommon, irregular, abnormal

honesty, loyalty, kindness, generosity, patience, confidence, empathy, perseverance, creativity, more...

important, essential, common, distinguishing, chief, second, main, outstanding, striking, fundamental, general

some trait,   personality trait,   distinctive quality,   intangible quality,   defining feature,   unique feature,   shared trait,   defining trait,   common trait,   common feature