concord

noun

• A state of agreement; harmony; union.
• Agreement by stipulation; compact; covenant; treaty or league
• (grammar) Agreement of words with one another, in gender, number, person or case.
• An agreement between the parties to a fine of land in reference to the manner in which it should pass, being an acknowledgment that the land in question belonged to the complainant. See fine.
• (probably influenced by chord) An agreeable combination of tones simultaneously heard; a consonant chord; consonance; harmony.