Mutualness refers to the state of being shared equally by two or more parties. There are various synonyms that can be used to describe this concept. One of them is reciprocity, which relates to the exchange of benefits or actions between two or more parties. Another synonym is interdependence, which pertains to the mutual reliance and cooperation between two or more parties. It can also be referred to as mutualism, which is the symbiotic relationship between two or more different species that benefits both parties. The term cooperation can also be used as a synonym for mutualness, which refers to the act of working together towards a common goal. Lastly, there is collaboration, which involves the joint effort of two or more parties towards a project or task.