| cartel(noun, congress, chamber, brotherhood, college) |
| chamber(noun, congress, brotherhood, college) |
| chapter(noun, congress, chamber, brotherhood, college) |
| chat(noun, argumentation, confab, colloquy, coference) |
| chat room(noun, argumentation, confab, colloquy, coference) |
| civilization(noun, life, culture, lifestyle) |
| clan(noun, congress, chamber, brotherhood, college) |
| clique(noun, congress, chamber, brotherhood, college) |
| club(noun, congress, chamber, brotherhood, college) |
| coalition(noun, congress, chamber, brotherhood, college) |
| coffeehouse discussion(noun, argumentation, confab, colloquy, coference) |
| collective(noun, congress, chamber, brotherhood, college) |
| college(noun, congress, chamber, brotherhood) |
| colloquy(noun, argumentation, confab, coference) |
| combine(noun, congress, chamber, brotherhood, college) |
| commercial(noun, message, hype, ballyhoo, puffery) |
| commune(noun, congress, chamber, brotherhood, college) |
| community(noun, congress, chamber, brotherhood, college) |
| compass(noun, business, circle, bailiwick, barony) |
| confab(noun, argumentation, colloquy, coference) |