The Oxford Thesaurus An A-Z Dictionary of Synonyms - assemblyn.

1) gathering, group, meeting, assemblage, body, circle, company, congregation, flock, crowd, throng, multitude, host; horde: A huge assembly of well-wishers greeted the candidate. 2 convocation, council, convention, congress, association, conclave; diet, synod: The assembly voted to re-elect the incumbent officers. 3) construction, putting together, erection, connection, setting up, set-up, fitting or joining or piecing together, fabrication; manufacture, making: Assembly of the bicycle can be completed in an hour.