characteristic

TRAIT
SPECIFIC
EXCLUSIVE
TRADEMARK
WordClue
QUALITYcharacteristic, attribute
TYPICALcharacteristic, specific
HALLMARKdistinguishing characteristic
TENDENCYcharacteristic, mannerism
ATTRIBUTEcharacteristic or quality of a thing
SIGNATUREcharacteristic, exclusive
PRIAMcharacter from the Iliad
QUALITYcharacteristic, attribute