This is the 4684th most frequent German word.
versammelten
"Versammelten" means "gathered" or "assembled" in English.
The verb 'versammelten' is used reflexively here to indicate the act of the students coming together at a specific location.
Die Schüler versammelten sich auf dem Schulhof.
The students gathered on the schoolyard.
The verb 'versammelten' is used actively here to imply that the committee brought together the team leaders for a discussion.
Das Komitee versammelten die Teamleiter für eine Besprechung.
The committee gathered the team leaders for a meeting.
In this sentence, 'versammelten' is used to explain the action of collecting or accumulating documents in an orderly manner.