hallmark

/ˈhɔːlmɑːrk/
noun
  1. A distinctive feature or characteristic that is typical of something or someone.
    • The use of bright colors is a hallmark of her painting style.
    • Punctuality has always been a hallmark of his professional behavior.
    • Clear communication is the hallmark of a good leader.
  2. An official mark stamped on gold, silver, or platinum items to indicate purity, origin, or maker.
    • Jewelers check the hallmark to verify the metal's quality.
    • Antique silverware often carries a hallmark from the city where it was made.
    • The ring had a tiny hallmark on the inside showing it was 18-karat gold.
verb
  1. To stamp or mark an item, especially precious metal, with an official hallmark.
    • They hallmarked the new collection of bracelets with the company's logo.
    • The silversmith hallmarked each piece before selling it.
    • All gold bars must be hallmarked by an approved assay office.
  2. To be a typical or defining feature of something.
    • The use of local ingredients hallmarks the restaurant's menu.
    • Innovation hallmarks this company's approach to technology.
    • A sense of humor hallmarks her writing style.
Synonyms