admission affirmation allegation assertion asseveration attest attestation authority authorization averment avouchment avowal bill bill of complaint bill of health certificate certificate of proficiency certification claim complaint compurgation credential declaration deposition diploma disclosure instrument in proof legal evidence libel manifesto narratio navicert nolle prosequi nonsuit notarized statement note position paper profession sheepskin solemn declaration statement statement of belief statement of facts statement under oath swearing sworn evidence sworn statement sworn testimony testamur testimonial testimonium testimony ticket visa vise voucher vouching warrant warranty witness word