Intellectual
person who engages in critical thinking and reasoning

An intellectual is a person who engages in critical thinking, research, and reflection about the nature of reality, especially the nature of society and proposed solutions for its normative problems. Coming from the world of culture, either as a creator or as a mediator, the intellectual participates in politics, either to defend a concrete proposition or to denounce an injustice, usually by either rejecting, producing or extending an ideology, and by defending a system of values.
Etymological background
"Man of letters"
The term "man of letters" derives from the French term belletrist or homme de lettres but is not synonymous with "an academic". A "man of letters" was a literate man, able to read and write, and thus highly valued in the upper strata of society in a time when literacy was rare. In the 17th and 18th centuries, the term Belletrist(s) came to be applied to the literati: the French participants in—sometimes referred to as "citizens" of—the Republic of Letters, which evolved into the salon, a social institution, usually run by a hostess, meant for the edification, education, and cultural refinement of the participants.
In the late 19th century, when literacy was relatively common in European countries such as the United Kingdom, the "Man of Letters" (littérateur) denotation broadened to mean "specialized", a man who earned his living writing intellectually (not creatively) about literature: the essayist, the journalist, the critic, et al. Examples include Samuel Johnson, Walter Scott and Thomas Carlyle. In the 20th century, such an approach was gradually superseded by the academic method, and the term "Man of Letters" became disused, replaced by the generic term "intellectual", describing the intellectual person. The archaic term is the basis of the names of several academic institutions which call themselves Colleges of Letters and Science.
"Intellectual"
The earliest record of the English noun "intellectual" is found in the 19th century, where in 1813, Byron reports that 'I wish I may be well enough to listen to these intellectuals'.
The public source identifies “Intellectual” as person who engages in critical thinking and reasoning. This brief keeps that definition visible, then builds a research path around Intellectual, person and engages.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 25, 2026. The linked authority identifier is Q58968. The Library of Congress control number is sh85067169. 1 of 1 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1813.
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This entry incorporates text from “Intellectual” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.