All authentication synonyms

noun authentication

• verification — the act of verifying.
• certification — a document attesting the truth of a fact or statement
• corroboration — the act of corroborating.
• testimonial — a written declaration certifying to a person's character, conduct, or qualifications, or to the value, excellence, etc., of a thing; a letter or written statement of recommendation.
• attestation — the act of attesting
• testimony — Law. the statement or declaration of a witness under oath or affirmation, usually in court.
• testament — Law. a will, especially one that relates to the disposition of one's personal property. will2 (def 8).
• validation — to make valid; substantiate; confirm: Time validated our suspicions.
• substantiation — to establish by proof or competent evidence: to substantiate a charge.
• proof — evidence sufficient to establish a thing as true, or to produce belief in its truth.
• confirmation — the act of confirming