proponent proponement • proponer · · · Info · Definitions · Synonyms · Characters · · proponent · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) a person who pleads for a cause or propounds an idea. Synonyms: advocate, advocator, exponent. · · Noun Definition 1 Synonyms · · · advocate · · Synonym 1 advocator · · Synonym 2 exponent · · Synonym 3 Characters · · e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074