n. A cloaking or concealment; a means of hiding or concealing.n. The act of palliating or concealing the more flagrant circumstances of an offense, crime, etc.; a lessening or toning down of the enormity or gravity of a fault, offense, etc., by the urging of extenuating circumstances, or by favorable representations; extenuation.n. Mitigation or alleviation, as of a disease.n. Synonyms See palliate.