To call together for a common purpose; assemble.

召集，集合：为了共同的目的而召集到一起；集合。

youdao

Officials often call this kind of grand jury together in cases of organized crime or suspected corruption by public officials.

VOA: special.2009.08.31

So the emperors would try to call together councils to get them to agree on things. To get them to agree on doctrine, to get them to agree on the canon.

所以皇帝会把议会召集起来,让他们达成一致，达成共同的教义，共同的正典。

耶鲁公开课 - 新约课程节选

Researchers hope the study will be a call to action for local authorities and international actors to work together to better assist victims and fight violence against children.

VOA: standard.2010.06.29

If the five nations wanted peace they could call together all the world and keep the peace.

BBC: India's nuclear tests: cause for concern?

This webinar and conference call brings together Department of Health and Human Services and the Small Business Administration to discuss outreach efforts from their offices, what specific programs faith-based communities can take advantage of, and concrete steps on how the Muslim community can get involved in these programs.

WHITEHOUSE: Weekly Highlights,

Julius Nyerere, Tanzania's ex-president, hoped to call all parties together for talks and to find a formula for dropping the sanctions imposed by Burundi's neighbours after the coup in 1996.

ECONOMIST: Burundi