Which preposition to use with confidential

with Occurrences 9%

They were always great friends with Robin Goodfellow, and he was always very confidential with them about Gauzita, who continued to be as pretty and saucy as ever.

to Occurrences 3%

I desired him to consider this confidential to himself and the Commissioners.

in Occurrences 3%

It was not made strictly confidential in those days, and it will be found in the chronicles of the Royal Geographical Society.

of Occurrences 2%

The choice of these temporary rulers was decided by lot, and in a manner that prevented the result from being known to any but to their own number and to a few of the most confidential of the more permanent officers of the government.

as Occurrences 2%

" "And friendship," her voice as confidential as my own.

over Occurrences 1%

The Wazir spoke English fairly well, and, waxing confidential over a cigar and whisky-and-water (like my Sonmiani friend, the Wazir was no strict Mussulman), entertained me with an account of the doings of the Court in Beïla and the aventures galantes of Kumal, who, from all accounts, was a veritable Don Juan.

into Occurrences 1%

We would have a real nice time, and along about fourth highball time after the show Wednesday night Alla would whisper real confidential into one of the fellows' ear that I was going to be twenty-one Friday and "we girls" are planning to give her a little surprise, and did he want to come in on it.

at Occurrences 1%

I have often noticed that the most reserved people are apt to grow confidential at such an hour.

Which preposition to use with  confidential