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  2. Semantic change - Wikipedia

    en.wikipedia.org/wiki/Semantic_change

    Semantic change (also semantic shift, semantic progression, semantic development, or semantic drift) is a form of language change regarding the evolution of word usage—usually to the point that the modern meaning is radically different from the original usage.

  3. Social change - Wikipedia

    en.wikipedia.org/wiki/Social_change

    Social change may not refer to the notion of social progress or sociocultural evolution, the philosophical idea that society moves forward by evolutionary means.It may refer to a paradigmatic change in the socio-economic structure, for instance the transition from feudalism to capitalism, or hypothetical future transition to some form of post-capitalism.

  4. Paradigm shift - Wikipedia

    en.wikipedia.org/wiki/Paradigm_shift

    A paradigm shift is a fundamental change in the basic concepts and experimental practices of a scientific discipline.It is a concept in the philosophy of science that was introduced and brought into the common lexicon by the American physicist and philosopher Thomas Kuhn.

  5. Morphological derivation - Wikipedia

    en.wikipedia.org/wiki/Morphological_derivation

    For example, the derivation of the word uncommon from common + un-(a derivational morpheme) does not change its part of speech (both are adjectives). An important distinction between derivational and inflectional morphology lies in the content/function of a listeme [clarification needed]. Derivational morphology changes both the meaning and the ...

  6. Thesaurus - Wikipedia

    en.wikipedia.org/wiki/Thesaurus

    Thesaurus Linguae Latinae. A modern english thesaurus. A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms ...

  7. Societal transformation - Wikipedia

    en.wikipedia.org/wiki/Societal_transformation

    In sociology, societal transformation refers to “a deep and sustained, nonlinear systemic change” [1] in a society. Transformational changes can occur within a particular system, such as a city, a transport or energy system. Societal transformations can also refer to changes of an entire culture or civilization.

  8. Synonym - Wikipedia

    en.wikipedia.org/wiki/Synonym

    Synonym list in cuneiform on a clay tablet, Neo-Assyrian period [1] A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. [2] For example, in the English language, the words begin, start, commence, and initiate are all synonyms of one another: they are ...

  9. Stemming - Wikipedia

    en.wikipedia.org/wiki/Stemming

    In linguistic morphology and information retrieval, stemming is the process of reducing inflected (or sometimes derived) words to their word stem, base or root form—generally a written word form. The stem need not be identical to the morphological root of the word; it is usually sufficient that related words map to the same stem, even if this ...