According to the Mickinley Health Center, University of Illinois, Wellness " is a state of optimal well-being that is oriented toward maximizing an individual's potential. This is a life-long process of moving towards enhancing your physical, intellectual, emotional, social, spiritual, and environmental well-being."
The University of East Carolina defines Wellness as " the integration of mind, body and spirit. Optimal wellness allows us to achieve our goals and find meaning and purpose in our lives. Wellness combines seven dimensions of well-being into a quality way of living. Overall, wellness is the ability to live life to the fullest and to maximize personal potential in a variety of ways. Wellness involves continually learning and making changes to enhance your state of wellness. When we balance the physical, intellectual, emotional, social, occupational, spiritual, and environmental aspects of life, we achieve true wellness."
According to Medilexicon's medical dictionary, Wellness is " A philosophy of life and personal hygiene that views health as not merely the absence of illness but the full realization of one's physical and mental potential, as achieved through positive attitudes, fitness training, a diet low in fat and high in fiber, and the avoidance of unhealthful practices (smoking, drug and alcohol abuse, overeating) ".
Sources: National Health Service (NHS), UK, The Mayo Clinic, Wikipedia, HHS (Department of Health and Human Services USA), NIH (National Institutes of Health, USA).