assemblement
/ˌæsbəˈmɛnt/Definitions
1. noun
The act of assembling or the state of being assembled; a gathering of people or things.
“The assemblement of the team was delayed due to the lack of equipment.”
2. noun
A body of people gathered for a particular purpose, especially a legislative assembly or a session of a legislative assembly.
“The assemblement of the parliament passed several significant laws last year.”