formation

noun

1. an arrangement of people or things acting as a unit

   noun.group

   Examples

   A defensive formation.

   A formation of planes.

   Source: WordNet 3.0

2. the act of fabricating something in a particular shape

   noun.act

   Synonyms shaping

   Source: WordNet 3.0

3. the act of forming or establishing something

   noun.act

   Synonyms constitution establishment organisation organization

   Source: WordNet 3.0

4. (geology) the geological features of the earth

   noun.object

   Synonyms geological formation

   Source: WordNet 3.0

5. a particular spatial arrangement

   noun.artifact

   Source: WordNet 3.0

6. natural process that causes something to form

   noun.process

   Examples

   The formation of gas in the intestine.

   The formation of crystals.

   The formation of pseudopods.

   Source: WordNet 3.0

7. creation by mental activity

   noun.act

   Examples

   The formation of sentences.

   The formation of memories.

   Source: WordNet 3.0

8. The act of giving form or shape to anything; a forming; a shaping.

   noun

   Source: webster1913