Britannica.com: Encyclopedia articles about the agreement These examples are automatically selected from different sources of online messages to reflect the current use of the word “agreement”. The opinions expressed in the examples do not give the opinion of Merriam-Webster or its publishers. Send us feedback. Concord or concord occurs when a word changes shape, depending on the other words to which it refers. This is a case of inflection and normally implies that the value of a grammatical category “matches” between different words or parts of the sentence. For example, in Standard English, we can say that I am or that he is, but not “I am” or “he is”. This is because the grammar of language requires that the verb and its subject correspond personally. The pronouns I and him are the first or third person respectively, just as the verb forms are and are. .