The phrase "agreement of some sort" is correct and usable in written English.
It can be used when referring to a type of agreement that is not specifically defined or when the exact nature of the agreement is unclear.
Example: "After much discussion, we reached an agreement of some sort, though the details still need to be finalized."
Alternatives: "some kind of agreement" or "a type of agreement".
That might well involve an agreement of some sort.
Certainly, enough time remains before Feb. 16 to produce an agreement of some sort.
But an agreement of some sort between the state and the city would require compromise — and fast.
Fed officials were racing to announce an agreement of some sort before financial markets opened in Asia, which meant reaching a deal on Sunday night.
The rise of television advertising caused a contraction in the newspaper business, where major metropolitan markets went from supporting 4-5 newspapers to 1-2 pandrs, and these remaining papers usually had a business agreement of some sort.
Had they not made those gains, a Labour/Lib Dem/SNP agreement of some sort, which not long ago seemed among the most plausible outcomes, might still have (just) been possible.
Initially, it looked as if the prime minister had managed to get everyone aboard for a shotgun agreement on some sort of policy.
In the end, many officials expect an eventual agreement on some sort of consensus government so inclusive as to be woefully weak, unable to assert itself and beset by stalemate over the laws necessary to shape post-American Iraq.
Shorten said the foreign affairs minister, Julie Bishop, had thought she was doing the right thing by backing Rudd "and probably clearly [thought] she had some sort of agreement or some sort of signal from Turnbull it was the right thing to do".
After their five-minute conversation was over, we had each partner in the couple tell us how well they'd resolved the problem they'd just discussed in other words, if they came to an agreement or compromise of some sort.
Finally, there was general agreement that some sort of collective European capitalization of banks, and possibly collective deposit guarantees, was needed to keep Europe's weaker banking systems from collapsing.
