
1) Brain trusters 2) Clerisy 3) Elite 4) Elite group
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https://www.crosswordclues.com/clue/intelligentsia

1) Clerisy 2) Culturati 3) Literati
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https://www.crosswordclues.com/clue/intelligentsia

The intelligentsia, from intellegentia (inteligencja, интеллигенция, pron) is a social class of people engaged in complex mental labour aimed at disseminating culture. This therefore might include everyone from artists to school teachers. Intelligentsia is the subject of active polemics concerning its own role in the development of mo...
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http://en.wikipedia.org/wiki/Intelligentsia

Intellectuals constituting the cultural, academic, social, and political elite. Often the source of opposition to the oppressive state in tsarist and Soviet times.
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http://soviethistory.msu.edu/glossary/

(from the article `Lenin, Vladimir Ilich`) The principal obstacle to the acceptance of Marxism by many of the Russian intelligentsia was their adherence to the widespread belief of the ... [11 related articles]
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http://www.britannica.com/eb/a-z/i/27

In 19th-century Russia, a section of the middle class, including lawyers, doctors, teachers, engineers, and some officers, who advocated the adoption of Western ideas as a cure for the country's...
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http://www.encyclo.co.uk/local/20688

[
n] - an educated and intellectual elite
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http://www.webdictionary.co.uk/definition.php?query=intelligentsia

intelligentsia The most intelligent, intellectual, or highly educated members of a society or community, especially those who are interested in the arts, literature, philosophy, and politics.
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http://www.wordinfo.info/words/index/info/view_unit/1075/

Intellectuals constituting the cultural, academic, social, and political elite.
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https://irp.fas.org/world/russia/su_glos.html
clerisy noun an educated and intellectual elite
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https://www.encyclo.co.uk/local/20974

intellectuals considered as a group or class, esp. as a cultural, social, or political elite.
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https://www.infoplease.com/dictionary/intelligentsia
No exact match found.