The phrase "adequacy of his" is correct and usable in written English.
It can be used when discussing the sufficiency or appropriateness of something belonging to a male subject.
Example: "The adequacy of his response to the situation was questioned by his peers."
Alternatives: "sufficiency of his" or "suitability of his".
He also defended the adequacy of his response to the warnings that terrorists in the United States might be planning hijackings.
Since Mr. Schuetze led the one at Computer Associates, he then, as chairman of the audit committee, had to review the adequacy of his own inquiry.
It took twenty-five years to execute Wood, owing to arguments about the adequacy of his counsel, whether the jury should have heard that he had beaten Dietz on earlier occasions, and, finally, whether he or the public had a right to know exactly which drugs would be used to kill him.
"Dr. Kuklo's relationships to Medtronic and the adequacy of his related disclosures to the University are also of great concern to us," the medical school's dean, Dr. Larry J. Shapiro, wrote in a letter to Senator Grassley that the senator's office released Tuesday along with other documents from the university's investigation.
If there is sufficient genetic aptitude, a person's mastery of a skill depends on his motivation to improve, on his receiving continuous information or sensory feedback about the adequacy of his performance during training, and on such factors as the rewarding effects of corrections made during successive practice periods.
Such a person is not independent and so is not autonomous, irrespective of the adequacy of his valuable options.
The death of Shackleton before the beginning of serious work was a heavy blow, and questions were raised about the adequacy of Wild as his replacement.
Inevitably, there are questions about the proper interpretation, adequacy, and consistency of his various claims on these topics.
It's a good idea to ask his or her advice about the adequacy of the offer, though.
And that piece — unsurprisingly, given the bare adequacy of the king's poetry — became by far the best-known part of his book.
He may even have offered his collection of paradoxes to provoke deeper consideration of the adequacy of theretofore unexamined notions.
