
Assemblage
Non-living Assemblages
Use 'assemblage' to describe collections of non-living things, not to describe a mechanical process. 
Formal Gatherings
'Assemblage' can imply a formal or organized gathering of people, not just a casual meeting. 
Impersonal Tone
Using 'assemblage' in social contexts can sound impersonal, implying a focus on the group rather than individuals. 