The phrase "agreed to the notion" is correct and usable in written English.
It can be used when expressing acceptance or concurrence with a particular idea or concept.
Example: "After much discussion, the committee finally agreed to the notion that a new policy was necessary for improvement."
Alternatives: "accepted the idea" or "concurred with the concept."
At Camp David, Mr. Barak tentatively agreed to the notion that the Palestinians could be granted religious sovereignty over the Mount, with the Israelis retaining political sovereignty.
Our results agreed to the notion that RUE variation during pre-anthesis phases is largely determined by LAI through its effect on radiation distribution within the canopy.
On 16 April 1970, Ahomadégbé and Maga met in the town of Savé, under French pressure, and agreed to the notion of a single party controlling government with a rotating presidency.
To join the international trading system, nations must now agree to the radical notion of a level playing field and, toward that end, must disallow government intervention in the economy beyond establishing certain minimal norms, like standard accounting procedures and contract law.
There was immediate speculation in Boston that the Red Sox would have cast Pabelbon aside if Rivera had actually agreed to move to Fenway, but the notion of Rivera's walking away from the only team for which he has ever played seemed unrealistic from the start.
"I think in his mind he's incapable of agreeing to any notion of defeat".
In a deposition, Goodman tried to distance herself from the notion that she simply agreed to publish Nelson's scientific theory.
Another study found that American economics professors were less likely than their peers in other subjects to agree with the notion that "interdisciplinary knowledge is better than knowledge obtained by a single discipline".The odd thing, the authors argue, is that we believe in economists almost as much as they believe in themselves.
Blair agrees: 'I object to the notion of parents trying to be friends with their teenagers as it's really about the parents trying to stay young and popular rather than setting limits and allowing the kids to test them.
But he agreed with the notion that Beethoven's exposure to lead was a short-term problem that had come toward the end of his life.
In 1992, when Taiwan and China began discussions between nominally non-governmental bodies set up by both sides to disguise their official contacts, they agreed on the notion of "one China" but deliberately left open exactly what that meant.
