The article considers the dream as a projection of the desired existence in an uncertain term, and the need for its use in the process of self­development. Dream is defined as a set of senses, mind and will, which is able to form a subjective ideal picture of the potential of being. The emphasis is on the value of the desired future, its orientation, individual and collective utility. Priority Activity dreamers described as a basis for radical social change. The article gives a classification of dreams for accessories, conciseness, the impact on human life. Particular attention is paid to artistic realization of dreams and their impact on the socio­cultural development. Matching mechanism of human achievement is seen as a stimulus for realizing the dream. Dream is presented as an ideal projection of existence in the future, which includes a set of human desires and ideals of society. Ability to dreams is described as the foundation for the design of optimal prospects of coexistence in the social space. Pipedream associated with inaccuracies in the selection of the desired object and methods to obtain it. The results can be used to improve the teaching of subjects such as «Philosophy», «Psychology», «Management», «Political Science». Understanding dreams is valuable for marketing research and management of social processes.