ac·cus·tom 
/əˈkʌstəm/ verb
ac·cus·toms; ac·cus·tomed; ac·cus·tom·ing /əˈkʌstəm/ verb [+ obj] : to cause (someone) to become adjusted to or familiar with something — + to ▪ trying to gradually accustom the students to their new surroundings ▪ The time he spent in the army has accustomed him to rising early in the morning. ▪ He'll have to accustom himself to life in a new country. [=he will have to become adjusted to life in a new country]
