Dirk Geeraerts (born 24 October 1955) is a Belgian linguist. He is professor emeritus of theoretical linguistics at the University of Leuven, Belgium. He is the founder of the research unit Quantitative Lexicology and Variational Linguistics (QLVL).
His main research interests involve the overlapping fields of lexical semantics, lexicology, and lexicography, with a theoretical focus on cognitive semantics. His involvement with cognitive linguistics dates from the 1980s, when in his PhD thesis he was one of the first in Europe to explore the possibilities of a prototype-theoretical model of categorization. As the founder of the journal ''Cognitive Linguistics'' and as the editor (with Hubert Cuyckens) of the ''Oxford Handbook of Cognitive Linguistics'', he played an instrumental role in the international expansion of cognitive linguistics. Geeraerts is one of the outspoken advocates of the implementation of empirical methodologies, such as corpus linguistics in cognitive linguistic research. He also argues for the involvement of more pragmatic elements such as contextual factors, lectal variation, and language history that influence the construal of word meanings and the choice of lexical items for concepts.
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