The phrase "an intellectual circle" is correct and usable in written English.
It can be used to refer to a group of people who engage in discussions or activities related to intellectual pursuits, such as philosophy, literature, or science.
Example: "She often attends meetings of an intellectual circle where members debate contemporary issues and share their insights."
Alternatives: "a scholarly group" or "an academic community".
Leonardo, however, was part of an intellectual circle that developed a third, specifically modern, form of cognition.
In 1583 he received the livings of the abbeys of Tiron and Josaphat, enjoying the revenues of other benefices also and entertaining an intellectual circle in a princely manner.
He returned to Gresham College, where scholarly activity resumed and an intellectual circle proposed a society "for the promotion of Physico-Mathematicall Experimental Learning". After obtaining the patronage of the restored monarchy, this group became the Royal Society, Wren being one of the most active participants and the author of the preamble to its charter.
They were part of an intellectual circle politically to the left not afraid to challenge the Weimar status quo.
The Kardomah Gang was an intellectual circle centred on the poet Dylan Thomas and poet and artist Vernon Watkins in Swansea, which also included the painter Alfred Janes.
Marmee is younger, and part of an abolitionist, intellectual circle that includes Emerson and Thoreau.
MaryAnne Stevens, curator of the RA exhibition, says Hugo and Manet reflected Paris's past and future: "Manet was always a republican, despite his comfortable background, because he moved in a very intellectual circle, one happy to discuss politics and ideas.
Tim described it as "a massive intellectual circle jerk".
Liu Xia was a civil servant and a budding young poet when the couple first met in the mid-1980s; they were married to other people, but part of a bohemian intellectual circle which often gathered at her home.
Susana would appear mostly in a more intellectual circle since her artistic aspirations did not suit the popular scene.
In "Einstein, Picasso: Space, Time, and the Beauty That Causes Havoc" the historian of science Arthur I. Miller makes the argument that there was much discussion of the discovery of relativity in Picasso's intellectual circle, a part of a general zeitgeist around the mysteries and complexities of thinking about four dimensions.
