Ask the group to inhale together and, on the exhale, state the single desired outcome in plain language. This synchronizes attention quickly. If there are multiple outcomes, schedule another meeting, or demote extras to a parking lot without apology.
Clarify whether each person is primarily deciding, advising, informing, or observing. Invite one sentence from deciders and advisors before discussion expands. Role clarity shortens tangents dramatically and protects contributors who often feel drowned out by enthusiastic, well-meaning colleagues.