What is the meaning of purifying?

verb

• Remove impurities from, increase the concentration of, and separate through the process of distillation.
  • usage: "purify the water"
  • synonyms: purify, sublimate, make pure, distill
• Make pure or free from sin or guilt.
  • usage: "he left the monastery purified"
  • synonyms: purify, purge, sanctify
• Become clean or pure or free of guilt and sin.
  • usage: "The hippies came to the ashram in order to purify"
  • synonyms: purify

adjective

• Serving to purge or rid of sin.
  • usage: "purgatorial rites"
  • synonyms: purgatorial, purging
• Freeing from noxious matter.
  • usage: "filtration is a purifying agent"
• Acting like an antiseptic.
  • synonyms: cleansing