purgation UK /pɜːˈɡeɪʃn/US /pɜɹˈɡeɪʃn/ noun3 •The process or act of purging, such as by the use of a purgative.Seven or eight annual bloodings, and as many purgations — such was the common regimen the theory prescribed to ensure continuance of health[…]. — 1832 •The process or act of cleansing from sin or guilt.An intriguing puzzle is set by the Lincoln register of Thomas Bek in which many of the commissions to receive purgations are followed by a space in which the report of the result was to be entered. — 1995 •(no longer used) Exoneration or the act undertaken to achieve exoneration.Thus do all traitors; If their purgation did consist in words, They are as innocent as grace itself. Let it suffice thee that I trust thee not. — 1598 formspurgations