The purpose of research devoted to study of lexical system of units, expressing a positive emotional evaluation is determined by insufficient study of the given subsystem.In the present research the following tasks are put:1) to reveal system of lexical units with a language positive emotional evaluation on the basis of the dictionary definitions and corresponded lexicographical marks; 2) on the basis of lexical-semantic and thematic attributes to carry out semantic-thematic classification of the given lexicon;3) to define sintagmatical features of words expressing a positive emotional evaluation to reveal rules of typical compatibility and functioning have given lexical units in the text.The hypothesis is put forward, that the emotional evaluation can be determined through its components accessible to the objective analysis. As criterion of occurrence of an emotional evaluation at a lexical level the importance of the internal form of lexical units (semantic and derivative motivation) is offered. The emotional evaluation is determined as reflection of emotional thinking at realization of expressive function of language causing persuasive effect. The given theoretical positions allow specifying mutual relation of categories Expressiveness, Emotionality and Emotional evaluation: all emotional evaluative units are expressive. Components of an Emotional Evaluation are:- metaphorical figurativeness;- intensity of an expressed attribute;- sound figurativeness; - derivative affixes having own evaluative meaning. The kinds of a positive Emotional evaluation are determined, thus the friendly attitude as an independent kind of an Emotional evaluation for the first time is allocated:- friendly attitude (offered by the author);- tender attitude (difference in comparison with the friendly attitude in character of the emotional relation and intensity);- approval;- admiration (difference in comparison with approval in intensity). For the first time is determined thematic reference of GLT (lexical-thematic groups), determining occurrence of secondary positive-evaluated semantics on the basis of thematic reference of primary nominative semantics of lexemes; are determined through sems ('magic', 'heavenly', 'shine', 'fantastic', 'sweet' etc.), causing existence of quasistereotypes (angel, miracle, king, magic, raspberry, gold, sun, star etc). The tendencies to tender attitude admiration with minimal diffusive share of nominative components are determined.