Thesaurus.com
Dictionary.com
Definitions

lustrate

[luhs-treyt] / ˈlʌs treɪt /
VERB
purify
Synonyms
STRONGEST
rarefy
STRONG
absolve aerate aerify atone chasten clarify clean cleanse clear decontaminate deodorize deterge disinfect edulcorate exculpate exonerate expiate filter fumigate oxygenate purge redeem refine remit sanctify sanitize shrive sublimate wash
WEAK
depurate elutriate
Antonyms
STRONG
blame charge condemn dirty encourage hold incriminate keep pollute sentence soil

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.