The phrase "accept rationale" is correct and usable in written English.
It can be used when discussing the acceptance of reasoning or justification for a decision or action.
Example: "In order to move forward with the proposal, we need to accept the rationale behind the suggested changes."
Alternatives: "acknowledge reasoning" or "embrace justification".
Acoustic-based mix design is still far from achieving a clear and accepted rationale.
Reliance on deltoid muscle power to provide functional range of motion is the accepted rationale behind the use of reverse implants.
The generally accepted rationale for using low-power illumination is that tissue oxygenation levels can be maintained better throughout treatment.
Still, although Mr. Blumenthal explained his statements about his military record in the company of sympathetic veterans, other former service members said they did not accept his rationale.
"Pimps don't accept the rationale that there's a new law and fewer johns now," said Paul Holmes, a counter-trafficking expert and former Scotland Yard official.
While General Newbold said he did not accept the rationale for invading Iraq, he wrote that "a precipitous withdrawal would be a mistake" because it would tell the nation's adversaries that "America can be defeated, and thus increase the chances of future conflicts".
Only one who forgets that U.S. troops have been in Afghanistan longer than Iraq could accept the rationale behind not merely extending their stay, but increasing their numbers by 50%.
Justice Kennedy's U.T. decision accepts that rationale, and affirms a central principle: universities are allowed deference in their "education judgment that diversity is essential to their educational mission" and in "the decision to pursue educational benefits that flow from student body diversity".
Judge Snyder accepted that rationale, but reluctantly.
