All corroboration synonyms

noun corroboration

• validation — to make valid; substantiate; confirm: Time validated our suspicions.
• affirmation — the act of affirming or the state of being affirmed
• verification — the act of verifying.
• support — to bear or hold up (a load, mass, structure, part, etc.); serve as a foundation for.
• attestation — the act of attesting
• authentication — to establish as genuine.
• 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).
• 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
• demonstration — A demonstration is a march or gathering which people take part in to show their opposition to something or their support for something.