Wiktionary
n. Any method of achieving a goal by means of a series of gradual increments, or small steps.
Wikipedia
Incrementalism is a method of working by adding to a project using many small incremental changes instead of a few (extensively planned) large jumps. Logical incrementalism implies that the steps in the process are sensible. Logical Incrementalism focuses on "the Power-Behavioral Approach to planning rather than to the Formal Systems Planning Approach." In public policy, incrementalism refers to the method of change by which many small policy changes are enacted over time in order to create a larger broad based policy change. This was the theoretical policy of rationality developed by Lindblom to be seen as a middle way between the rational actor model and bounded rationality, as both long term goal driven policy rationality and satisficing were not seen as adequate.
Usage examples of "incrementalism".
He’d had to inquire pointedly as to the origins of Burya’s strange sense of bourgeois incrementalism in order to goad his erstwhile colleague into accepting the upgrade, but in the end, Rubenstein had seen no alternative.