[at-e-stey-shuh
n] 
| 1. | an act of attesting. |
| 2. | an attesting declaration; testimony; evidence. |
| at·test (ə-těst') v. at·test·ed, at·test·ing, at·tests v. tr.
To bear witness; give testimony: attested to their good faith. n. Archaic Attestation. [Latin attestārī : ad-, ad- + testārī, to be witness (from testis, witness; see trei- in Indo-European roots).] at·test'ant n., at'tes·ta'tion (āt'ěs-tā'shən, āt'ə-stā'-) n., at·test'er, at·tes'tor n. |
Attestation
The act of witnessing the signing of a document and then also signing it to verify that it was properly signed by those bound by its contents.
Investopedia Commentary
Ideally the person acting as the witness to the signing of a document is an independent third party. Most often people will attest for a will or power of attorney.
See also: Estate, Estate Planning, Power of Attorney, Will