assemblage

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act of assembling.
• noun The state of being assembled.
• noun A collection of people or things; a gathering.
• noun A collection of items from a single datable component of an archaeological site.
• noun A fitting together of parts, as those in a machine.
• noun A sculptural composition consisting of an arrangement of miscellaneous objects or found materials.

from The Century Dictionary.

• noun In the logicomathematical science of multitude, otherwise called the theory of cardinal numbers, a collection, not in the sense that the objects are assembled or collected, but merely in the sense that many things are regarded in thought as constituting one thing.
• noun The act of assembling or the state of being assembled; association.
• noun A collection of individuals or of particular things: as, an assemblage of noted men; an assemblage of various materials.
• noun The act of fitting together, as parts of a machine; in carpentry and joinery, a union of parts or pieces by framing, dovetailing, etc. See assembling.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of assembling, or the state of being assembled; association.
• noun A collection of individuals, or of individuals, or of particular things

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A collection of things which have been gathered together or assembled.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the social act of assembling
• noun a system of components assembled together for a particular purpose
• noun a group of persons together in one place
• noun several things grouped together or considered as a whole