The article describes the content of professional meanings as a resource for teacher development in the space of modern innovations. The content of the article reveals the features of the projection of professional meanings in the activity of a teacher, the influence of semantic formations on the professional development of a modern teacher. The paper describes the subjective determinants of the formation of meanings and values adequate to the teacher's mission in the context of resources and risks of the modern innovation space. The author describes the teacher as a carrier and translator of professional and personal orientations and semantic models of relationship with the world. The article describes the psychological functions of professional meanings in the activity and promotion of a teacher in the profession. Systematized criteria for the development of professional meanings of the teacher as a resource for its development in the space of modern innovations. The results of an empirical study of teachers ' ideas about the meanings of professional activity and their projections of semantic formations in real practice are presented.