account affirmation annals attestation authentication backing backing up basis for belief bearing out body of evidence bolstering buttressing catalog certification chain of evidence chronicle circumstantiation clue confirmation correspondence corroboration corroboratory evidence data datum evidence exhibit fact facts fortification grounds grounds for belief history indication inventory item of evidence letters list manifestation mark material grounds memorial muniments mute witness piece of evidence pipe roll premises proof proving proving out ratification reason to believe record recording register registry reinforcement relevant fact relic remains roll rolls roster rota scroll sign strengthening substantiation support supporting evidence symptom table token trace undergirding validation verification vestige