as·sem·blage 
(ə-sĕmblĭj)
(ə-sĕmblĭj)n.
1.
a. The act of assembling.
b. The state of being assembled.
2. A collection of people or things; a gathering.
3. A collection of items from a single datable component of an archaeological site.
4. A fitting together of parts, as those in a machine.
5. A sculptural composition consisting of an arrangement of miscellaneous objects or found materials.
as·semblag·ist n.