hallmark
/ˈhɑɫˌmɑɹk/
a distinctive feature, especially one of excellence
hallmark in a sentence
“Attention to detail is the hallmark of her work.”
Origin of hallmark
English hall (Goldsmiths' Hall in London) + mark, from official stamps on gold/silver
Related Words
quintessence
the most perfect or typical example of a quality or class
temperament
a person's distinct nature or character, especially as it affects their behavior
signature
a distinctive pattern, product, or characteristic by which someone or something can be identified
disposition
a person's inherent qualities of mind and character
archetype
a very typical example of a certain person or thing
intrinsic
belonging naturally; essential