verb

• (intransitive) To be in harmony about an opinion, statement, or action; to have a consistent idea between two or more people.
  "All parties agree in the expediency of the law."
• (intransitive, followed by "to") To give assent; to accede.
  "It was agreed to meet here at midday."
• (transitive, UK, Ireland) To yield assent to; to approve.
  "... and there, after a good while in discourse, we did agree a bargain of £5,000 with Sir Roger Cuttance for my Lord Sandwich for silk, cinnamon, ..."
• (intransitive) To make a stipulation by way of settling differences or determining a price; to exchange promises; to come to terms or to a common resolve; to promise.
  "Agree with thine adversary quickly, whiles thou art in the way with him; lest at any time the adversary deliver thee to the judge, and the judge deliver thee to the officer, and thou be cast into prison."