enfranchise

Short definition from Wiktionary

Verb

1. 1
   To grant the franchise to an entity, specifically: To grant the privilege of voting to a person or group of people.
2. 2
   To grant the franchise to an entity, specifically: To grant municipal or parliamentary rights to an entity such as a city or constituency.
3. 3
   To grant the franchise to an entity, specifically: To grant freedom from slavery, duty or servitude.
4. 4
   to convert a copyhold estate into a freehold estate