The crossword solution for the term 'Nothingness States' is NADAS, which stands for Non-Attachment, Detachment, Acceptance, and Surrender. These four states are all related to the concept of nothingness, or the idea of having no attachment to material possessions or outcomes. Non-attachment is the practice of not becoming too attached to material possessions or outcomes, while detachment is the practice of letting go of any attachment to material possessions or outcomes. Acceptance is the practice of accepting the present moment without judgment, and surrender is the practice of releasing control and allowing life to unfold as it will.