Breadcrumb Home > Thesaurus > I Cite Synonyms of instillation Find synonyms for: Noun1. instillation, instillment, instilment, insertion, introduction, intromissionusage: the introduction of a liquid (by pouring or injection) drop by drop2. instillation, liquidusage: a liquid that is instilled drop by dropWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of instillation (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: picayune Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language