purify in WordNet English dictionary

1. remove impurities from, increase the concentration of, and separate through the process of distillation
   "purify the water"
   purify  sublimate  make pure  distill 
   
2. make pure or free from sin or guilt
   "he left the monastery purified"
   purify  purge  sanctify 
   
3. become clean or pure or free of guilt and sin
   "The hippies came to the ashram in order to purify"
   purify