assemblage

noun

1. (countable, uncountable)The process of assembling or bringing together.

   “the assemblage of words and recordings”

2. (countable, uncountable)A collection of things which have been gathered together or assembled.

   “The tomb contained percussion, string and wind instruments in a remarkable state of preservation, including the largest assemblage of Bronze Age bells ever recovered. Discovered in 1977, near the city of Suizhou in Hubei Province in central China, the tomb, from the fifth century B.C., has long been considered "one of the most significant archeological discoveries of the 20th century," said Peter A. Young, editor in chief of the magazine.”

3. (countable, uncountable)A gathering of people.

   “Carried somehow, somewhither, for some reason, on these surging floods, were these travelers,[…]. Even such a boat as the Mount Vernon offered a total deck space so cramped as to leave secrecy or privacy well out of the question, even had the motley and democratic assemblage of passengers been disposed to accord either.”

4. (countable, uncountable)A group of different artifacts found in association with one another.
5. (countable, uncountable)A visual art form similar to collage, which combines two-dimensional and three-dimensional, often found, elements into works of art.