purify

As a noun catharsis

is (drama) a release of emotional tension after an overwhelming vicarious experience, resulting in the purging or purification of the emotions, as through watching a dramatic production (especially a tragedy).

As a verb purify is

to cleanse (something), or rid (it) of impurities.

As verbs the difference between purify and sanitize

is that purify is to cleanse (something), or rid (it) of impurities while sanitize is to partially free something of microorganisms by cleaning or disinfecting.

As verbs the difference between contaminate and purify

is that contaminate is to introduce impurities or foreign matter to while purify is to cleanse (something), or rid (it) of impurities.

As verbs the difference between dispel and purify

is that dispel is to drive away by scattering, or to cause to vanish; to clear away; to banish; to dissipate while purify is to cleanse (something), or rid (it) of impurities.

Castigate is a related term of purify.

As verbs the difference between castigate and purify

is that castigate is to punish severely; to criticize severely; to reprimand severely while purify is to cleanse (something), or rid (it) of impurities.

Punish is a related term of purify.

As verbs the difference between punish and purify

is that punish is to cause to suffer for crime or misconduct, to administer disciplinary action while purify is to cleanse (something), or rid (it) of impurities.

As a verb purify

is to cleanse (something), or rid (it) of impurities.

As a noun filter is

filter.

As verbs the difference between purify and consuming

is that purify is to cleanse (something), or rid (it) of impurities while consuming is .

As an adjective consuming is

holding one's attention or interest.

Chastise is a related term of purify.

As verbs the difference between chastise and purify

is that chastise is to punish or scold someone while purify is to cleanse (something), or rid (it) of impurities.

As verbs the difference between purify and decant

is that purify is to cleanse (something), or rid (it) of impurities while decant is to pour off gently, as liquor, so as not to disturb the sediment; or to pour from one vessel into another; as, to decant wine.