agree

Etymology

From Middle English agreen, from Old French agreer (“to accept or receive kindly”), from a gré (“favorably”), from Latin ad (“to”) + gratum (“pleasing”), ultimately from Proto-Indo-European *gʷerH- (“to welcome, greet, praise”).

verb

1. (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.
   I mostly agree with what you said, but I consider your last point to be unfair.
   I couldn't agree more with what you say.
   You know that in so great a state as this, Two mightie foes can never well agree. 1594, Thomas Lodge, The wounds of civil war: Lively set forth in the true tragedies of Marius and Scilla, page 46
   Theresa May’s cabinet repeatedly fails to agree with itself on what customs arrangement it wants with the EU after Brexit 2018, Jon Stone, “Brexit: No significant progress made on any issue in negotiations since March, says EU (The Independent)”, in (Please provide the book title or journal name)
2. (intransitive, followed by "to") To give assent; to accede
   to agree to an offer, or to opinion.
   The workers didn not agree to the new terms offered by the trade union.
3. (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, ... 1666, Samuel Pepys, The Diary of Samuel Pepys, page 88
   The essential idea is that parties should enter the market, choose their contractors, set their own terms and agree a bargain. 2005, Paddy McNutt, Law, economics and antitrust: towards a new perspective, page 59
   Bishops agree sex abuse rules April 3 2011, John Burke, The Sunday Business Post
4. (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.
5. (intransitive) To resemble; to coincide; to correspond.
   the picture does not agree with the original; the two scales agree exactly.
6. (intransitive, now always with with) To suit or be adapted in its effects; to do well.
   the same food does not agree with every constitution.
7. (intransitive, grammar) To correspond to (another word) in a grammatical category, such as gender, number, case, or person.
   In Romanian, all articles, adjectives, and pronouns agree in gender, number and case with the noun they refer to.
8. (intransitive, law) To consent to a contract or to an element of a contract.