The course Lexicology I introduces students to the basics of Lexicology. First it defines the essential terms, such as word, morpheme, lexeme, etc., and then outlines relations with other linguistic disciplines (phonology, morphology, syntax, etc.) - this understanding is important for further studies of the topics of lexicology. Then a lot of attention is paid to the first key area of Lexicology - word formation. The major word-formation processes (derivation, compounding, conversion) are discussed in more detail, followed by the minor processes (abbreviation, blending, coinage, etc.) The next topic is a brief introduction to Phraseology and its most important principles, which are important in the context of language acquisition and English language teaching in general. The course concludes with a basic overview of the processes of lexicalization and institutionalization.