agreement in WordNet English dictionary

1. harmony of people's opinions or actions or characters
   "the two parties were in agreement"
   agreement  accord 
   
2. compatibility of observations
   "there was no agreement between theory and measurement"; "the results of two tests were in correspondence"
   agreement  correspondence 
   
3. the thing arranged or agreed to
   "they made arrangements to meet in Chicago"
   agreement  arrangement 
   
4. the verbal act of agreeing
   agreement 
   
5. the statement (oral or written) of an exchange of promises
   "they had an agreement that they would not interfere in each other's business"; "there was an understanding between management and the workers"
   agreement  understanding 
   
6. the determination of grammatical inflection on the basis of word relations
   agreement  concord