noun
assimilation
uh-sim-uh-LAY-shun/əˌsɪməˈleɪʃn/
The integration of something into an existing system.
Cooking together supports the newcomers' assimilation into the established community.

Etymology
The underlying idea is a process of making alike. First applied in English to the body's use of nourishment, assimilation later extended figuratively to absorption into a culture or system.
In context
assimilation. What this meant is that a person was forced to abandon their culture, their customs, their whole way of life and replace it with the Mongol’s culture, customs, and way of life.
More examples
- Cultural assimilation can occur over several generations.
- Digestion and assimilation allow nutrients to become part of living tissue.
- Sound assimilation makes one consonant more like its neighbor.
Forms
assimilate verb — To incorporate something into an existing whole.
Similar words
- absorption
- Emphasizes intake rather than incorporation into a larger system.
- integration
- May preserve distinctions that assimilation tends to reduce.