Verb

To harmonize in opinion, statement, or action; to be in unison or concord; to be or become united or consistent; to concur.

all parties agree in the expediency of the law.

* {{quote-book, year=1594

, author=Thomas Lodge , title=The wounds of civil war: Lively set forth in the true tragedies of Marius and Scilla , page=46 , passage=You know that in so great a state as this, Two mightie foes can never well agree .}}

* (rfdate) Shakespeare

If music and sweet poetry agree .

* (rfdate) Mark xiv. 56.

Their witness agreed not together.

* (rfdate) Sir T. Browne

The more you agree together, the less hurt can your enemies do you.

To yield assent; to accede;—followed by to.

to agree to an offer, or to opinion.

(transitive, UK, Irish) To yield assent to; to approve.

* {{quote-book, year=1666

, author=Samuel Pepys , title=The Diary of Samuel Pepys , page=88 , passage=... 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, ...}}

* {{quote-book, year=2005

, author=Paddy McNutt , title=Law, economics and antitrust: towards a new perspective , page=59 , passage=The essential idea is that parties should enter the market, choose their contractors, set their own terms and agree a bargain.}}

* 2011 April 3, John Burke, in The Sunday Business Post :

Bishops agree sex abuse rules

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.

* (rfdate) Matt. v. 25.

Agree with thine adversary quickly.

* (rfdate) Matt. xx. 13.

Didst not thou agree with me for a penny ?

To be conformable; to resemble; to coincide; to correspond.

the picture does not agree with the original; the two scales agree exactly.

To suit or be adapted in its effects; to do well.

the same food does not agree with every constitution.

(grammar) To correspond to in gender, number, case, or person.

(legal) To consent to a contract or to an element of a contract.

Verb

(en verb)

To declare with assurance or plainly and strongly; to state positively.

* {{quote-magazine, year=2012, month=March-April

, author=Colin Allen , title=Do I See What You See? , volume=100, issue=2, page=168 , magazine=(American Scientist) citation , passage=Numerous experimental tests and other observations have been offered in favor of animal mind reading, and although many scientists are skeptical, others assert that humans are not the only species capable of representing what others do and don’t perceive and know.}}

he would often assert his beliefs to us

To use or exercise and thereby prove the existence of.

to assert one's authority

Salman Rushdie has asserted his right ... to be identified as the author of this work

To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to; as, to assert our rights and liberties.

The quasi-judicial pre-grant process of asserting patent rights and appeals procedures during patent examination; 'to assert' patent rights means to defend or maintain patent rights.

(computer science) To make true; to make equal to 1. (rfex)