This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A rite of purification, especially washing.

n. The restoration of credibility to a government by the purging of perpetrators of crimes committed under an earlier regime.

n. The act of lustrating or purifying.

n. A sacrifice, or ceremony, by which cities, fields, armies, or people, defiled by crimes, pestilence, or other cause of uncleanness, were purified.

n. Ceremonial purification; especially, a religious act of purgation or cleansing by the use of water or certain sacrifices or ceremonies, or both, performed among the ancients upon persons, armies, cities, localities, animals, etc.

"The idea of airing the past as part of a healing process, and excluding members of the former regime from positions of authority - a process known as "lustration" - is being actively promoted by some in the Ukrainian administration."

lustrate   

lustrical    lustral   

purgation    circumambulation    cantrip    defecation    ad@r@s@ta