Harmonious wholes is a term used to describe a group of people or things that are unified and work together in harmony. The crossword solution for this term is 'unities, ' which refers to the state of being united or joined together. This concept is often used to describe a group of people who have come together to form a cohesive unit, such as a family, a team, or a community. Unities can also refer to a group of objects that are connected in some way, such as a set of furniture or a collection of books. In either case, the idea is that the individual parts are working together to create something greater than the sum of its parts.