1. advocating reform of an institution or body.
2. specifically, advocating reform and the gradual accumulation of small changes, as opposed to revolutionary action.
3. one who advocates reform (of an institution).
4. specifically, one who advocates reform of society and the gradual accumulation of small changes, as opposed to revolutionary action.
5. an advocate of reform in the church of england; a reformer.
6. an advocate or supporter of political reform in the united kingdom. (common from ca 1790 to 1830.)
7. A member of a reformed religious denomination.

1. A reformer.

1. one who is of the reformed religion; a protestant.
2. one who proposes or favors a political reform.

1. favoring or promoting reform (often by government action)
2. a disputant who advocates reform