secret understanding

See: collusion
References in classic literature ?
He often surprised those he met by his significantly happy looks and smiles which seemed to express a secret understanding between him and them.
I am sorry to see a secret understanding established already between you and Mr.
The question is whether we have or have not a secret understanding with France, and if so, how far she will be bound by it.
There is some secret understanding between them," thought the old lady, "and she's to blame; the women always are
Possibly he counted on Gania's complaisance; for Totski had long suspected that there existed some secret understanding between the general and his secretary.
It seemed wrong that there should exist a secret understanding between my husband's friend and me, unknown to him, of which he was the object.
As if there were a secret understanding between herself and Clennam of the most thrilling nature; as if the first of a train of post-chaises and four, extending all the way to Scotland, were at that moment round the corner; and as if she couldn't (and wouldn't) have walked into the Parish Church with him, under the shade of the family umbrella, with the Patriarchal blessing on her head, and the perfect concurrence of all mankind; Flora comforted her soul with agonies of mysterious signalling, expressing dread of discovery.
The reasons for this firmness are not very clear, but it does not seem to have something to do with a so-called secret understanding with United States that aims to bring Russia to its knees.
According to the secret understanding, the JD(S) members of the Legislative Council in Karnataka will support chairman of the House D.
Patna: The ruling Janata Dal-United (JD-U) headed by Chief Minister Nitish Kumar in Bihar has come under fire with an intelligence report suggesting that one of its Lok Sabha candidates, Uday Narayan Chaudhary, has entered into an alleged secret understanding with the outlawed Maoist groups to get their support in the elections.
This entire evidence points to a long history of a secret understanding between Zardari and Sharif.
Such a move would also reinforce the impression that the Brothers had a secret understanding with the Americans, Ankara, and perhaps with Tel Aviv.