Both Uses

enfranchise
in
The House of the Seven Gables
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The next moment, without any visible cause for the change, her unwonted joy shrank back, appalled, as it were, and clothed itself in mourning; or it ran and hid itself, so to speak, in the dungeon of her heart, where it had long lain chained, while a cold, spectral sorrow took the place of the imprisoned joy, that was afraid to be enfranchised,—a sorrow as black as that was bright.†
Chpt 7 *
Within the car there was the usual interior life of the railroad, offering little to the observation of other passengers, but full of novelty for this pair of strangely enfranchised prisoners.†
Chpt 17

Definitions:

(1) (enfranchise as in: enfranchised after the Civil War)
grant the right to vote, or citizenship, or freedom
(2) (enfranchise as in: enfranchised employees)
to empower or give voice to
(3) (meaning too rare to warrant focus)
Less commonly, to enfranchise is to give a franchise (the right to operate a business under a company's brand).