sanitize

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

verb make sanitary by cleaning or sterilizing
verb make less offensive or more acceptable by removing objectionable features

From sanitary. By surface analysis, sanity + -ize.

In any event, every morning we sanitize the ship by ventilating it in the open air.” Meanwhile I examined the Nautilus’s engine with a fascination easy to imagine. — Twenty Thousand Leagues Under the Seas: An Underwater Tour of the World, Jules Verne
Seven professional terrorists, unknown to the American authorities, thoroughly sanitized, came with him to the United States under assumed visas and the other 5, already in the country were personally recommended by Farjani. — Terminal Compromise, Winn Schwartau

sanitise, hygienize, hygienise

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