Synonyms of attestation

1 Syllable
seals, proof, seal
3 Syllables
guarantee, guaranties, suffrage, assertion, signifier, testament, guaranty, assertions
4 Syllables
testimonial, affirmation, predications, evidence, confirmation, confirmations, substantiation, validations, asservation, testimonies, declarations, affirmations, validation, indication, testimonials, predication, testimony, declaration, adumbration, indications
5 Syllables
verification, verifications, testification, corroboration, documentation, prefiguration, corroborations, authentications, certificate, authentication
6 Syllables
memorialization