kepler kepi • Keplerian · · · Info · Definitions · Characters · · kepler · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) German astronomer who first stated laws of planetary motion (1571-1630). Synonyms: Kepler, Johannes Kepler, Johan Kepler. · · Noun Definition 1 Characters · · e latin small letter e U+0065 k latin small letter k U+006B l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072