enfranchisement has 2 distinct synonyms spread across 2 of its 3 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. Its one recorded opposite is disenfranchisement.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
freedom from political subjugation or servitude
a statutory right or privilege granted to a person or group by a government (especially the rights of citizenship and the right to vote)
Synonyms, antonyms and the broader and narrower relations for enfranchisement come from Princeton University’s WordNet. Full sources and licences.
the act of certifying or bestowing a franchise on