• cleaner, purifier, refiner
• brushing, cleansing, defecation, elutriation, flush, polishing, purgation, purge, purging, purification, purifying, scaling, scour, scrubbing, settling
• to brush up, to clean, to clinker, to polish, to purge, to scour, to shine, to unclog
• to clean up, to mop, to mop up, to prune away, to prune down, to sanctificate, to sanctify, to scrub, to spiritualize, to sublimate, to sublime, to top and tail