ho⋅lism  [hoh-liz-uh m]

1. The theory that whole entities, as fundamental components of reality, have an existence other than as the mere sum of their parts.

ho·lis·tic (hô-lĭs'tĭk)

1.     Emphasizing the importance of the whole and the interdependence of its parts.

2. Concerned with wholes rather than analysis or separation into parts: holistic medicine; holistic ecology.

Source: dictionary.com: holistic