Study of meaning, one of the major areas of linguistic study (see linguistics). Linguists have approached it in a variety of ways. Members of the school of interpretive semantics study the structures of language independent of their conditions of use. In contrast, the advocates of generative semantics insist that the meaning of sentences is a function of their use. Still another group maintains that semantics will not advance until theorists take into account the psychological questions of how people form concepts and how these relate to word meanings.

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Semasiology (from σημαίνω (sēmaino) — indicate, signify) is a discipline within linguistics concerned with the question "what does the word X mean?". It studies the meaning of words regardless of their phonetic expression. Semasiology departs from a word or lexical expression and asks for its meaning, its different senses, i.e. polysemy. The opposite approach is known as onomasiology.

The term was first used by Christian Karl Reisig in 1825 in his Vorlesungen über lateinische Sprachwissenschaft (E. Lectures on Latin Linguistics).

The discipline is most commonly understood as a branch of lexicology, the study of words, and as a branch of semantics, and more narrowly ascribed as a subfield of lexical semantics, though sometimes referred as a semantics' synonym. The meaning of the term is somewhat obscure, because according to some authors semasiology merged with semantics in modern times, while at the same time the term is still in use when defining onomasiology.


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