HARMONY

(MATCH) [noun] [U] - a good match of ideas or feelings, and in the way things are done, happen or appear; complete agreementracial harmony (= good relations between different races)domestic harmony (= good relations in the family or home)Imagine a society in which everyone lived together in (perfect) harmony.Before the recent trouble there was a long period of peace and harmony.The town's new buildings clash harshly with the medieval harmony of its old churches.We must ensure that tourism develops in harmony with the environment.