cleanse
Pronunciation: /klɛnz/
verb
- make (something, especially the skin) thoroughly clean: this preparation will cleanse and tighten the skin (as adjective cleansing) a cleansing cream
- rid of something unpleasant or defiling: the mission to cleanse America of subversives
- free (someone) from sin or guilt: only God Himself can cleanse us
- archaic (in biblical translations) cure (a leper).
Origin:
Old English clǣnsian (verb), from clǣne (see clean)