promise verb (SAY CERTAINLY)
B1 [I or T] to tell someone that you will certainly do something:
[+ to infinitive] He promised faithfully to call me every week.
[+ that] The government have promised that they'll reduce taxes.
[+ (that)] Promise me (that) you won't tell him.
I'll look for some while I'm at the shops but I'm not promising anything.
Can I have that book back when you've finished because I've promised it (= I have said I will give it) to Sara.
[+ two objects] Her parents promised her a new car if she passed her exams.
I've promised myself a long bath when I get through all this work.