fall together

1. To unite or coalesce, as for a singular purpose. The scattered bands of rebels fell together to launch a unified offensive against the monarchy. The heads of government around the world promised to fall together in order to tackle the issue. If we fell together with the other grades, I bet could come up with a solution that the headmaster accepts.

2. To happen, form, or come to pass successfully from various different elements or efforts. Despite all of the last-minute chaos, the party fell together splendidly. Everything seemed to fall together for our team that day, and we achieved an incredible victory. I know you're stressing over every last detail, but all of the important stuff will fall together on your actual wedding day, believe me.

3. Of eyes, to close. This usage is obsolete other than in literary writing. The old man lay his head on the pillow, and his eyes fell together one last time. I was so exhausted that my eyes began falling together as I sat at the table. A: "Father's lecture was so dull that my eyes eventually fell together." B: "Oh, I know, I could hear you snoring!"