characteristic
char-ac-ter-is-tic
noun
A distinguishing quality or feature typical of a person or thing.
"Patience is a key characteristic of a good teacher."
adjective
Typical of a particular person, place, or thing; distinctive.
"His dry humour is characteristic of his writing style."
Thesaurus
Synonyms: device characteristic, distinctive, diagnostic, typical, symptomatic, peculiar, feature
Antonyms: uncharacteristic