conclave
/ˈkɑŋklæv/ or /ˈkɑŋklev/Definitions
1. noun
A group of high-ranking clergy or cardinals assembled in secret to elect a pope or choose a successor to a vacant bishopric.
“The conclave was held in the Sistine Chapel, and the outcome was announced after three days of deliberation.”
2. noun
A secret meeting or assembly, especially one of a group of people with a common interest or purpose.
“The CEO called a conclave with the company’s top executives to discuss the merger.”
3. verb
To hold a secret meeting or assembly, especially one of a group of people with a common interest or purpose.
“The city will conclave to discuss the new development proposal.”