have

/hæv/ modal verb

Definition

have to do sth; have got to do sth › to need to do something or be forced to do something: I have to go to Manchester tomorrow. Do we have to finish this today? They've had to change their plans.

› used when you are telling someone how to do something: You've got to type in your name, then your password.

› used to say that you feel certain that something is true or will happen: Interest rates have to come down at some point. There's (= there has) got to be a better way of doing this.

(Definition of have modal verb from the Cambridge Learner's Dictionary © Cambridge University Press)