'a major forum' is correct and usable in written English.
You could use it to refer to a type of meeting, assembly, or publication where ideas, opinions, or issues are discussed. For example, "The annual World Economic Forum is a major forum for discussing international economic policy."
Despite these obstacles, Afghanistan's youth, civic activists and politicians see the potential for social media to become a major forum for public engagement.
Yet the question has apparently long been on the mind of Jörg Widmann, one Germany's most prominent young composers, who received a major forum for expounding on the idea when the Bayerische Staatsoper commissioned an opera from him.
As Xi put it at a major forum in Beijing in May, the "ancient silk routes embody the spirit of peace and cooperation, openness and inclusiveness, mutual learning and mutual benefit".
Last week, my organization, JustLeadershipUSA joined the Center for New York City Affairs at the New School in hosting a major forum about the future of Rikers Island, New York City's long-troubled jail complex.
This can be seen from the often reiterated statement that China and Africa share common developmental goals and converging interests with a win-win situation in all major forums and declarations (The Declaration on the third FOCAC 2006).
Tsipras will meet Putin on the sidelines of a major economic forum in St Petersburg.
The caveats belie the simple answer Mr. Obama gave during a debate last summer, when the issue was first raised in a major public forum.
Follow Olivia Becker on Thursday @obecker928.
After all, it isn't every day that a pastor and local church are given the opportunity and potential influence of hosting a major Presidential forum within the confines of their faith community; no small privilege.
After weeks in which Clinton has spent time parrying criticism over her emails, her fundraising and her poll numbers, the front-runner was given a major national forum to remind voters that she's been a Democrat all her life, and can sound like a progressive when she needs to.
The signing of the commitment took place at a major public forum organized by UNICEF in partnership with the Rights of the Child Commission and in coordination with the Guyana Elections Commission.
