Expurgate :: Expurgate (v. t.) To purify; to clear from anything noxious, offensive, or erroneous; to cleanse; to purge; as, to expurgate a book..
Expurgation :: Expurgation (n.) The act of expurgating, purging, or cleansing; purification from anything noxious, offensive, sinful, or erroneous..
Expurgatorial :: Expurgatorial (a.) Tending or serving to expurgate; expurgatory.
Expurgatory :: Expurgatory (a.) Serving to purify from anything noxious or erroneous; cleansing; purifying.