gradualist
/ˈɡrædʒʊəˌlɪst/Definitions
1. noun
A person who advocates gradual change or reform, especially in politics or social issues.
“The gradualist approach to resolving the economic crisis was favored by most economists.”
2. adjective
Relating to or characterized by gradual change or reform.
“The gradualist policies of the new administration were seen as a step in the right direction.”