The phrase "intellectual partner" is correct and usable in written English.
It can be used to describe someone who collaborates with you on intellectual pursuits, such as research, discussions, or creative projects.
Example: "In our research project, I found my colleague to be an invaluable intellectual partner, always challenging my ideas and offering new perspectives."
Alternatives: "cognitive collaborator" or "academic ally."
She is often described dismissively as his "muse," but Targoff shows that Colonna was a true intellectual partner, engaging him in vigorous discussions of art.
In 1903, Isaac Rice and his wife and intellectual partner, Julia Barnett Rice — both accomplished musicians — sought to escape noisy Broadway.
Wall, no mean essayist himself, must have been a stimulating intellectual partner, and many of Wall's works have aspects that fit Fried's analysis.
One of them was nonsexual: it was with Marx's intellectual partner, the wealthy, irrepressibly promiscuous bon viveur, Friedrich Engels, who paid Marx a salary from the profits of his capitalist factories.
After the death of George Henry Lewes, her true love and intellectual partner, she marries Cross with the understanding that the relationship, based on "admiration and kindness," will not be physical.
As for Mr. Blair, many in his party seem ready to write his political obituary and stake their future on Gordon Brown, the chancellor of the exchequer who was the prime minister's intellectual partner in reinventing Labor.
The two became intellectual partners and, later, lovers — though few knew about that part until many years afterward.
The two became intellectual partners and, later, lovers though few knew about that part until many years afterward.
By Emily Nussbaum Masters and Johnson, who were intellectual partners and lovers, produced a best-selling study that blasted through medical prudery.
Hughes gave a warm toast to Foer, declaring, according to someone who was there, that their "friendship was a deep and meaningful thing to him" and that the two men "were going to be intellectual partners moving into the next decade".
This required a constant interlocutor or intellectual sparring partner.
