Noun

A relationship of mutual trust and respect.

He always tried to maintain a rapport with his customers.

Relation; proportion; conformity; correspondence; accord.

* Sir W. Temple

'Tis obvious what rapport there is between the conceptions and languages in every country.

Noun

(en noun)

The act of associating.

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

* {{quote-magazine, year=2012, month=March-April

, author=(Jan Sapp) , title=Race Finished , volume=100, issue=2, page=164 , magazine=(American Scientist) citation , passage=Few concepts are as emotionally charged as that of race. The word conjures up a mixture of associations —culture, ethnicity, genetics, subjugation, exclusion and persecution. But is the tragic history of efforts to define groups of people by race really a matter of the misuse of science, the abuse of a valid biological concept?}}

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

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