0 past simple and past participle of assemble
1 to come together in a single place or bring parts together in a single group:
Within hours of the tragedy happening, an emergency rescue team had been assembled.
He gazed once more around the room, where his entire family were assembled.
He came out onto the balcony to speak to the crowd that had assembled outside.
Everyone is assembling outside the cathedral, ready for the Remembrance Day parade.
The contributors are certainly distinguished in their respective fields, but represent half of the assembled speakers at those events.
The data were assembled and reviewed by epidemiologists on site.
The chief believed this story, restricted railway transport and the mass meeting assembled fewer people than expected.