Acculturation can be called

A.ritualistic brainwashing
B. Fitting in
C. Consolidating
D. Dark arts

Acculturation can be called B. Fitting in.

Acculturation is when you blend with a culture. As you blend with a certain culture, you are learning a lot of things like what people usually do in specific situations or events. Thus, you’re "fitting in" a certain culture as you come to know more about it.