authentication

Definitions of authentication
  1. noun
    validating the authenticity of something or someone
    synonyms: certification
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    type of:
    proof, substantiation, validation
    the act of validating; finding or testing the truth of something
  2. noun
    a mark on an article of trade to indicate its origin and authenticity
    synonyms: assay-mark, hallmark
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    type of:
    insignia, mark, marker, marking
    a distinguishing symbol
Word Family
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