"cordial agreement" is correct and usable in written English.
You can use this phrase to describe when two parties have come to a warm, friendly agreement or settlement. For example, "The companies signed a cordial agreement to end their legal dispute."
Their talks in Istanbul on April 14th were cordial, though the sole agreement was to carry on talking.
But in the talks, which both sides have described as "cordial," there was general agreement on a city proposal that it would receive $60 million to $80 million a year in rent.
Be more cordial in future correspondence.
Usually, Cabinet meetings are cordial affairs in which there is cross-party agreement on deficit-cutting and welfare reform.
A lawyer for Mr. Hogan said in a statement Friday that after a "cordial and cooperative" meeting with tax officials, an agreement had been reached.
"For the last seven years, we've had entirely cordial relations with the Mormons," said Ernest Michel, who negotiated the agreement on behalf of the American Gathering of Jewish Holocaust Survivors, which is based in New York and claims 180,000 members.
Mr. Vallone also enjoyed a cordial relationship with Mayor Rudolph W. Giuliani, with whom he negotiated many an agreement in the privacy of one of their offices.
Meanwhile, Mr Blair's ceremonial welcome in Dublin is intended to reinforce the message that, whatever becomes of that agreement, the British-Irish entente will continue to be cordial.
"Rich in content" seemed a stretch: though the meetings were replete with cordial toasts and mutual expressions of respect and hope, no major diplomatic agreements were reached.
The talks were described as "cordial, positive and fruitful" by the WICB, but as yet no firm agreements or resolutions have been found.
