Assimilation occurs when members of subordinate racial or ethnic groups gain acceptance in everyday social interaction with members of the dominant group, but do not necessarily make close friends or intermarry.

Structural Assimilation, aka? integration; members of a subordinate racial or ethnic group gain acceptance in everyday social interaction with members of the dominant group. Biological assimilation, aka? amalgamation; members of one group marry those of other social or ethnic groups. .