The phrase "almost assuredly from" is correct and usable in written English.
It can be used when expressing a high degree of certainty about the origin of something, while acknowledging a slight possibility of error.
Example: "The artifact is almost assuredly from the ancient Roman period, based on its design and materials."
Alternatives: "most likely from" or "probably from".
In the weeks that followed the number of decrypted communications surged from 12 to 458 (and almost assuredly grew from there) and it appears that the NSA has only expanded its surveillance of extra-national bodies.
Because the XL1 is most assuredly from the future.
The spending proposal will almost assuredly get strong pushback from Republicans in Congress, who now control both the House and the Senate and wield even more power than they did four years ago.
And while ownership almost assuredly won't change, a recommendation from Detroit's Financial Advisory Board, which was appointed as a result of the consent agreement, could possibly place the park's day-to-day operations in the hands of the state or a private outfit.
Here's a fresh view showing how computer simulations are converging on a disastrous trajectory for Hurricane Irene, which is almost assuredly bound for the densely populated corridor from Washington, D.C., through New York City: The threats range from severe storm surge along coasts to deluges and flash flooding inland and wind damage everywhere.
The case hinges on whether the jury believes Uber's assertion that the technology used in its autonomous car project was developed and acquired independently, in spite of the fact that the company almost assuredly received data on the same technology from Alphabet's servers as part of Uber's acquisition of Anthony Levandowski's company Otto.
The bill that House Republicans had constructed, which would slash spending $60 billion from current spending levels, will almost assuredly change before making it to the president's desk, with a Democratic controlled Senate having earlier sign off.
A new variety of rice modified to produce high amounts of provitamin A, named Golden Rice, will soon be available in the Philippines and, if marketed, would almost assuredly save the lives of thousands of children suffering from vitamin A deficiency.
With it, the case is clearer that Mr. Obama has recovered from his post-debate lows, although he has almost assuredly not made up all the ground he lost.
No one knows, but a new survey from the National Association of Area Agencies on Aging suggests that problems almost assuredly cropped up in other locations, posing a potential threat to seniors and unexpected challenges to their caregivers.
