n. Agreement between persons; union in opinions, sentiments, views, or interests; unanimity; harmony; accord; peace.n. Agreement between things; mutual fitness; harmony.n. In music: The simultaneous combination of tones that are in tune or in harmony with each other: opposed to discord.n. Specifically, a simultaneous combination of two or more tones, which has a final and satisfactory effect when taken alone, without preparation or resolution.n. A compact; an agreement by stipulation; a treaty.n. In English law, an agreement between the parties in a fine, made by leave of the court, prior to the abolition of that mode of conveyance.n. In grammar, agreement of words in construction, as adjectives with nouns in gender, number, and case, or verbs with nouns or pronouns in number and person.To agree; coöperate.To reconcile; bring into harmony.