Word Network: obligatorio

obligar

To oblige; to force; to compel.

A2

deber

To owe, should, must.

A1

obligación

obligation; an act or course of action to which a person is bound.

A2

requisito

A thing that is needed or wanted.

A2

ley

Law; the system of rules that a particular country or community recognizes.

A2

norma

A standard or principle of right action.

A2