Also found in: Dictionary.
Related to agree on: agree upon
To accept a proposal or idea in accord with others; to reach a consensus. The union and the company have finally agreed on the terms of the new contract. Bob and Sheila are both so busy that they can't agree upon a date for the party.
See also: agree
agree (up)on someone or something
to agree to the choice of someone or something. Let's try to agree upon a date.