Expurgate

• (v. t.) To purify; to clear from anything noxious, offensive, or erroneous; to cleanse; to purge; as, to expurgate a book.
Found on http://thinkexist.com/dictionary/meaning/expurgate/

Expurgate

Ex'pur·gate (ĕks'pŭr*gāt or ĕks*pûr'gāt; 277) transitive verb [ imperfect & past participle Expurgated (- gā'tĕd); present participle & verbal noun Expurgating (-gā'tĭ...
Found on http://www.encyclo.co.uk/webster/E/93

expurgate

to purify or revise; to censor
Found on http://phrontistery.info/e.html

expurgate

to remove obscenity purify censor 
Found on http://www.graduateshotline.com/list.html
No exact match found