1. (noun) a subdivision of a written work; usually numbered and titled

• section
• subdivision

2. (noun) any distinct period in history or in a person's life

• phase
• stage

3. (noun) a local branch of some fraternity or association

• club
• gild
• guild
• lodge
• order
• social club
• society

4. (noun) an ecclesiastical assembly of the monks in a monastery or even of the canons of a church

• assembly

5. (noun) a series of related events forming an episode

• episode

1. (noun) a local branch of some fraternity or association

• association
• frat
• fraternity