Meaning of “agreement” - Learner’s Dictionary

agreement

noun us uk /əˈɡriːmənt/
PROMISE [ C ]

B2 a promise or decision made between two or more people:

an international agreement
It was difficult to reach an agreement.

More examples

SAME OPINION [ U ]

B2 a situation in which people have the same opinion as each other:

Not everyone was in agreement.
→ Opposite disagreement

(Definition of “agreement” from the Cambridge Learner’s Dictionary © Cambridge University Press)