/ Thesaurus / C Synonyms of catheterise Find synonyms for: Verb1. catheterize, catheterise, insert, enclose, inclose, stick in, put in, introduceusage: insert a catheter into (a body part); "catheterize the patient's bladder"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language