| chat(noun, conference, confabulation, confab, colloquy) |
| circle(noun, association, congress, fellowship, consortium) |
| clan(noun, association, congress, fellowship, consortium) |
| clinic(noun, assembly, convention, congress, convocation) |
| clique(noun, association, congress, fellowship, consortium) |
| club(noun, association, congress, fellowship, consortium) |
| coalition(noun, association, congress, fellowship, consortium) |
| collective(noun, association, congress, fellowship, consortium) |
| college(noun, association, congress, fellowship, consortium) |
| colloquium(noun, conference, panel, forum, colloquy) |
| combine(noun, association, congress, fellowship, consortium) |
| commune(noun, association, congress, fellowship, consortium) |
| community(noun, association, congress, fellowship, consortium) |
| confabulation(noun, conference, confab, colloquy) |
| confederacy(noun, association, congress, fellowship, consortium) |
| congregation(noun, conference, panel, forum, colloquy) |
| consistory(noun, conference, panel, forum, colloquy) |
| consortium(noun, association, congress, fellowship) |
| conspiracy(noun, association, congress, fellowship, consortium) |
| consult(noun, conference, confabulation, confab, colloquy) |