assimilationism

noun

1. (uncountable)The policy or practice of the assimilation of immigrant or other minority cultures into a mainstream culture.

   “The model of regenerative assimilationism which the Revolutionaries displayed towards the Jews was evident in regard to other groupings whose commitment to the patriotic cause was for whatever reason in doubt.”

   “But in fact the antinomy of exceptionalism and assimilationism has been there all along, and otherwise puzzling decisions from the nineteenth and twentieth centuries become readily understandable when seen as moments when assimilationism was ascendant.”