INTEGRATE /ˈɪn.tɪ.ɡreɪt/ (verb)
Source: Cambridge dictionaries online
1) to mix with and join society or a group of people, often changing to suit their way of life, habits, and customs:
He seems to find it difficult to integrate socially.
It’s very difficult to integrate yourself into a society whose culture
is so different from your own.
Children are often very good at integrating into a new culture.
2) to combine two or more things in order to become more effective:
You need to integrate exercise into your normal life.
The idea with young children is to integrate learning with play.