possibilism
/ˈpɒsɪbɪlɪz(ə)m/ /ˈpɒsɪb(ə)lɪz(ə)m/noun
1 Politics. Belief in or advocacy of moderate (rather than violent or revolutionary) policies aiming to bring about immediately practicable or feasible reforms; pragmatic reformism.
2 Geography. The belief that human freedom of action is not limited by the natural world.
Origin
Late 19th century; earliest use found in The Boston Globe. Probably from French possibilisme from classical Latin possibilis + French -isme. Compare Spanish possibilismo.