Reverse Dictionary: PURIFICATION

ADJECTIVES
LUSTRABLE that may be purified or purged → 1727 obs.
LUSTRAL that purifies; pert. to or  used in rites of purification → 1533
LUSTRATIVE pert. to expiatory purification, or washing (used jocularly) → 1875
LUSTRATORY relating to purification → 1738
LUSTRIFIC that purifies → 1727 obs.
LUSTRIFICAL that purifies → 1656 obs.
MUNDITIAL relating to cleansing or purification → 1876 obs.
SKERE pure, purified; cleansed or free from sin or guilt → a1225 obs.

NOUNS
CASTIFICATION a making chaste; purification; chastity → 1653 obs.
CASTIGATION purification → 1615 obs.
LUSTRATION the performance of an expiatory sacrifice or a purificatory rite, as by washing with water; the purification by religious rites → 1614
MUNDIFYING a cleaning or purifying something → 1425 obs.

VERBS
DECRASSIFY to divest of what is crass, gross, or material; to purify, to refine → 1855
DEPURATE to purify, cleanse, free from impurities → 1620
DEPURE to cleanse, purify, free from impurity → a1400-50 obs.
FAIR to make clean, to purify → 1340 obs.
LOTE to wash, to cleanse, to purify → 1547 obs.
LUSTRATE to purify, to clear, to cleanse → 1655
LUSTRE to purify → 1645 obs.
MUNDIFY to cleanse; to make clean; to purify → 1425
SENDRE to purify → 1340 obs.
SKIRE to cleanse, to clear or purify oneself → a1300 obs.
SPURGE to cleanse or purify a person, the body, etc.; to free from or rid of impurity; to clear of guilt → 1303 obs. exc. Eng. dial.