Definition of "connexion"

There are undoubtedly facts, which, may come to their knowledge by means of their connexion with the ſecretary of ſtate, reſpecting which they cannot anſwer.

1803 February, John Marshall, quotee, “Marbury v. Madiſon”, in U.S. Reports‎, volume 5, Washington, D.C.: William Cranch, pages 141–142

I saw he was going to marry her, for family, perhaps political reasons; because her rank and connexions suited him; […]

1848, Charlotte Brontë, Jane Eyre: An Autobiography

All this was extraordinarily distasteful to Churchill. It was ugly, gross. Never before had he felt such repulsion when the vicar displayed his characteristic bluntness or coarseness of speech. In the present connexion […] such talk had been distressingly out of place.

1918, W. B. Maxwell, chapter 12, in The Mirror and the Lamp‎

Persuading the widow that my connexion with her husband's 'technical matters' was sufficient to entitle me to his manuscript, I bore the document away and […]

1928 February, H[oward] P[hillips] Lovecraft, “The Call of Cthulhu”, in Farnsworth Wright, editor, Weird Tales: A Magazine of the Bizarre and Unusual, volume 11, number 2, Indianapolis, Ind.: Popular Fiction Pub. Co., pages 159–178 and 287

In this connexion, it is worth remembering that we are never told how the tribute was collected within the tributary state.

1978, Moses I. Finley, “The fifth-century Athenian empire: A balance sheet”, in Peter D. A. Garnsey, C. R. Whittaker, editors, Imperialism in the Ancient World: The Cambridge University Research Seminar in Ancient History‎, Cambridge University Press (reprinted 2006), page 125

1984 November 20, “Rugby Union: The Jaguars Make A Move To End Their Isolation Argentina turns to FIRA and the French connexion is set to benefit”, in The Times, page 21