Lus·trate v. t. [imp. & p. p. Lustrated p. pr. & vb. n. Lustrating ] To make clear or pure by means of a propitiatory offering; to purify.
We must purge, and cleanse, and lustrate the whole city. --Hammond.
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lustrate
v : purify by means of a ritual; also used in post-Communist
countries to refer to the political cleansing of former
officials