EXPURGATORY
a.Cleansing; purifying; serving to purify from any thing noxious or erroneous; as the expurgatory index of the Romanists, which directs the expunction of passages of authors contrary to their creed or principles. Expurgatory animadversions.
Ex *pur "ga *to *ry, a. Etym: [Cf. F. expurgatoire.]