Formation (noun)

1. The process of creating or developing something.
2. The arrangement or disposition of things or people, such as a formation of troops.
3. A rock stratum or layer, such as a formation of sandstone.
4. A specific arrangement of a group of people or things, such as a formation in football.

Origin:

From latin formatio, meaning 'a forming, creation'.

Examples:

1. The formation of the new government took several weeks.
2. The troops stood in formation, ready for inspection.
3. The geological formation of the mountain range was the result of volcanic activity.
4. The football team executed a new formation, hoping to catch the opposition off guard.
5. The formation of clouds in the sky indicated an approaching storm.