attestor
One who vouches
An attestor is someone who attests—who affirms the truth or authenticity of something, typically by signature or formal declaration.
The term appears most often in legal and bureaucratic contexts: The attestor signed the document confirming the witness's identity.
Also spelled attester.
One who saw events
- observerOne who perceives events
- bystanderOne who observes nearby
- onlookerPerson who observes
- spectatorObserver at an event
corroborator · testifier · firsthand · presence · scene · account · statement · recollection
Sworn written statement
- depositionFormal testimony under oath
- notaryDocument authentication official
- subpoenaWrit requiring testimony
- swornBound by formal promise
oath · perjury · cross-examination · litigation · plaintiff · defendant · admissible · evidence
One who writes authorization
- signatoryOne who signs officially
- notarizeOfficially certify documents
- sealAuthentication stamp or mark
- countersignReply to a watchword
witness · endorse · undersigned · execute · subscribe · autograph · cosigner · acknowledgment
Confirm as genuine
- certifyFormally verify as true
- validateConfirm as true
- verifyConfirm accuracy or truth
- confirmValidate as true
substantiate · corroborate · vouch · affirm · document · proof · evidence · credentials
eyewitness
One who saw events
spectator · corroborator · testifier · firsthand · presence · scene · account · statement · recollection · identification
affidavit
Sworn written statement
- depositionFormal testimony under oath
- notaryDocument authentication official
- subpoenaWrit requiring testimony
sworn · oath · perjury · cross-examination · litigation · plaintiff · defendant · admissible · evidence · hearsay
signer
One who writes authorization
- signatoryOne who signs officially
- notarizeOfficially certify documents
- sealAuthentication stamp or mark
countersign · witness · endorse · undersigned · execute · subscribe · autograph · cosigner · acknowledgment · instrument
authenticate
Confirm as genuine
confirm · substantiate · corroborate · vouch · affirm · document · proof · evidence · credentials · legitimacy
attest, attestation, attested, attests, attesting, unattested, attestations