The term 'ON AN EVEN KEEL' is a phrase that is used to describe a situation that is stable and balanced. It is often used to refer to a person's emotional state, but can also be used to describe any situation that is not chaotic or unpredictable. The crossword solution for this term is 'KEEL', which refers to the central beam of a ship that runs from the bow to the stern. This beam helps to keep the ship balanced and steady, and is an apt metaphor for the phrase 'on an even KEEL'.