/ Thesaurus / L Synonyms of lighthouse keeper Find synonyms for: Noun1. lighthouse keeper, custodian, keeper, stewardusage: the keeper of a lighthouseWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language