The phrase "articulate a rationale" is correct and usable in written English.
You can use it when you want to express the need to clearly explain the reasoning behind a decision or action.
Example: "In our meeting, I will articulate a rationale for the proposed changes to the project timeline."
Alternatives: "explain the reasoning" or "clarify the justification."
As Carpenter recounts, the attempts of the Harris County district attorney, Chuck Rosenthal, to articulate a single rationale for the law became painful to watch.
But an army of industry lobbyists and lawyers have managed to water down the rule and then have it struck down in court, on the ground that the Department had failed to articulate a clear rationale for one component of the regulation.
Obama has added another interesting twist to his campaign by seizing this opportunity and articulating a coherent rationale for the expansion of the faith-based office under his administration.
The committee articulates a clear rationale for investment by the US governmental and non-governmental organizations (universities, civil society, relief organizations, and other private ventures) in global health research and initiatives.
Josh is never allowed to articulate any rationale for his sudden adherence to committed orthodox belief.
When the time comes, the president -- not Condi Rice on the BBC, not Donald Rumsfeld in the Pentagon briefing room -- needs to lay out his evidence, articulate a clear, compelling rationale, be honest about the risks and seek formal approval from Congress.
Successful stream flow augmentation with recycled water requires that the lead agency clearly articulate a strong project rationale and identify key benefits.
"Since Sept. 11, it is possible to articulate an energy-security rationale that can offset environmental criticism.
Whatever his other flaws as a candidate, Mitt Romney has begun, in recent weeks, to articulate a simple and elegant rationale for why he makes more sense than any of his rivals for the nomination.
This editorial begins to articulate the rationale for such a community by exploring two important questions.
