purging
     adj : serving to purge or rid of sin; "purgatorial rites" [syn: {purgatorial},
            {purifying}]
     n 1: an act of removing by cleansing; ridding of sediment or
          other undesired elements [syn: {purge}]
     2: the act of clearing yourself (or another) from some stigma
        or charge [syn: {purge}, {purgation}]
Source: WordNet® 2.0