Definitions for "Purify"
To make pure or clear from material defilement, admixture, or imperfection; to free from extraneous or noxious matter; as, to purify liquors or metals; to purify the blood; to purify the air.
Hence, in figurative uses: (a) To free from guilt or moral defilement; as, to purify the heart.
To free from ceremonial or legal defilement.
(Huikala) Cleanse; purge; decontaminate.
remove impurities from, increase the concentration of, and separate through the process of distillation; "purify the water"
Keywords:  clean
to clean.