- atestación (Spanish)
- RT: certification
n. ~ 1. An assertion or a testimony, signature, or oath as to a quality of some entity, thing, function, or activity. – 2. The process of asserting or testifying as to such a quality. – 3. IP2, Diplomatics· An intrinsic element of documentary form that comprises the written validation of a record (by subscription, superscription or any identifying sign having such function) by those who took part in the issuing of it (author, writer, countersigner) and by witnesses to the action or to the signing of the record.
- Black's 9th 2009 (†382 p. 147): 1. To bear witness; testify, – 2. To affirm to be true or genuine; to authenticate by signing as a witness.