noun (n)

• the statement (oral or written) of an exchange of promises(noun.communication)

  Example:
  They had an agreement that they would not interfere in each other's business.
  

  Synonym:
  understanding
  

  source: wordnet30
• compatibility of observations(noun.attribute)

  Example:
  There was no agreement between theory and measurement.
  

  Synonym:
  correspondence
  

  source: wordnet30
• harmony of people's opinions or actions or characters(noun.state)

  Example:
  The two parties were in agreement.
  

  Synonym:
  accord
  Antonym:
  disagreement, dissension, dissonance
  

  source: wordnet30
• the thing arranged or agreed to(noun.cognition)

  Synonym:
  arrangement
  

  source: wordnet30
• the determination of grammatical inflection on the basis of word relations(noun.linkdef)

  Synonym:
  concord
  

  source: wordnet30
• the verbal act of agreeing(noun.communication)

  Antonym:
  disagreement
  

  source: wordnet30
• State of agreeing; harmony of opinion, statement, action, or character; concurrence; concord; conformity; as, a good agreement subsists among the members of the council.(noun)

  source: webster1913