association

noun

1. 1

   The act of associating.

2. 2

   The state of being associated; a connection to or an affiliation with something.

3. 3

   Any relationship between two measured quantities that renders them statistically dependent (but not necessarily causal or a correlation).

4. 4

   A group of persons associated for a common purpose; an organization; society.

5. 5

   Relationship between classes of objects that allows one object instance to cause another to perform an action on its behalf.