
1) Incrementalism
Found on
https://www.crosswordclues.com/clue/gradualism

Gradualism, from Latin gradus (`step”), is the belief in or the policy of change by gradual, often slow stages. == Politics and society == In politics, gradualism is the belief that change ought to be brought about in small, discrete increments rather than in abrupt strokes such as revolutions or uprisings. Gradualism is one of the defining fe.....
Found on
http://en.wikipedia.org/wiki/Gradualism

belief that things proceed by degrees
Found on
http://phrontistery.info/g.html

(from the article `dinosaur`) ...and the like. These apparently died out suddenly and simultaneously, and their extinction accords best with the asteroid theory. The fossil ... Lyell`s concept of gradualism and accompanying process observation on an expanded time scale resulted in firmly establishing the fact that much could ... [2 r...
Found on
http://www.britannica.com/eb/a-z/g/55

A model of evolution that assumes slow, steady rates of change. Charles Darwin's original concept of evolution by natural selection assumed gradualism. Contrast with punctuated equilibrium.
Found on
http://www.ucmp.berkeley.edu/glossary/glossary_1.html
No exact match found.