The term 'state of agreement' can be summarized by two crossword solutions: UNITY and CONCORD. UNITY is a state of being united or joined as a whole, while CONCORD is a state of harmony and agreement between people. Both terms refer to a situation in which people are in agreement and working together towards a common goal. This is often seen in politics, where different parties come together to form a unified government. In addition, it can also be seen in business, where different companies come together to form a single entity.