Definition of corroboration:
witness, pointer, credential, testament, testimonial, sign, voucher, mark, true, credentials, certification, smoking gun, the color of someone's money, software documentation, suggestion, warrant, enfranchisement, certificate, documentation.
- affirmation (part of speech: noun)
evidence (part of speech: noun)
- "The Abandoned Room", Wadsworth Camp.
- "The Main Chance", Meredith Nicholson.
- "The Invasion", William Le Queux.