/ Thesaurus / J Synonyms of johannes kepler Find synonyms for: Noun1. Kepler, Johannes Kepler, Johan Keplerusage: German astronomer who first stated laws of planetary motion (1571-1630)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language