Spirituality may refer to almost any kind of meaningful activity, personal growth, or blissful experience. Traditionally, spirituality refers to a process of re-formation of the personality but there is no single, agreed-upon definition of spirituality.pirituality may refer to almost any kind of meaningful activity, personal growth, or blissful experience. Traditionally, spirituality refers to a process of re-formation of the personality but there is no single, agreed-upon definition of spirituality.