/ Thesaurus / J Synonyms of john napier Find synonyms for: Noun1. Napier, John Napierusage: Scottish mathematician who invented logarithms; introduced the use of the decimal point in writing numbers (1550-1617)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language