solemn+avowal+or+averment
21position paper — Synonyms and related words: affidavit, affirmance, affirmation, allegation, announcement, annunciation, assertion, asseveration, averment, avouchment, avowal, bulletin board, circular, communique, conclusion, course, creed, declaration,… …
22testimonial — Synonyms and related words: admission, advocacy, advocating, advocation, affidavit, affirmation, allegation, anniversaries, appreciation, arch, assertion, asseveration, attest, attestation, authority, authorization, averment, avouchment, avowal,… …
23protestation — n 1. remonstrance, remonstration, expostulation; compunction; objection, dissent, disagreement, nonconcurrence, nonobservance, noncompliance, nonconformance; assertion, asseveration, averment, avowal, avouchment, attestation, affirmation. 2. oath …
