The phrase "assembled a circle" is correct and usable in written English.
It can be used when describing the act of gathering people or objects in a circular formation or creating a group that functions as a unit.
Example: "During the meeting, we assembled a circle of chairs to facilitate discussion among all participants."
Alternatives: "formed a circle" or "created a circle".
She also assembled a circle of songwriting partners and other trusted musical comrades, which is essential to succeeding in Nashville, a heavily networked industry town.
This was the result of the cultural policy of the sultan Maḥmūd (reigned 998 1030), who assembled a circle of scholars, philosophers, and poets around his throne in support of his claim to royal status in Iran.
The candidate who so prided himself on being unscripted has not only assembled a circle of speechwriters but has had to submit the text to Senator John Kerry's aides for approval.
To answer her own need for companionship, Eleanor assembles a circle of female friends who meet every Friday night.
The bakers assemble a circle of stalls around the hall perimeter early, with "early bird" pre-booked customers admitted at 8.30am and doors opened to the public for a $2 entry at 9am.
When a large group assembled, a camp circle was usually formed, leaving the space in the centre for ceremonial structures.
He assembled a wide circle of friends and admirers that included Chassidim, Polish immigrants and many new arrivals to North Brooklyn.
Over the last year, Mr. Evans has assembled a powerful circle of allies in the music industry, among them some of the biggest talent agents, concert promoters, band managers, artists and festival organizers in the business.
Di'ao has already assembled a small circle of American- and European-educated scientists, and plans to attract even more scholars from around the world, he adds.
He assembled an inner circle with a history of electing insurgent-style Democrats.
To help him with his decision, the N.B.A. star has assembled an esteemed circle of advisers, including Archbishop Desmond Tutu, Supreme Court Justice Ruth Bader Ginsburg, and the scientist Stephen Hawking, all of whom are expected to be in attendance for the United Nations announcement.
