The article is aimed at presenting the role and meaning of formation in teacher integral development. Formation can be treated as one of the fundamental pedagogical categories supporting the effective educational processes. It is tightly connected with integral upbringing. The key point in formation is the person's interior where the whole process starts. It needs a strong person's commitment to it. However, an individual should, first of all, understand the whole concept of formation paying attention to spirituality which is the source of any activities determined