The phrase "rational course" is correct and is commonly used in written English.
This phrase typically refers to a prudent, logical, or reasonable plan of action, and it can be used in a variety of contexts. For example, you could say, "I took the rational course and decided to wait until I had more information before making a decision."
Why does nobody talk about the most rational course of action: dividing Iraq?
Searching in the clouds for figures is the most rational course for an avid and alert artist to follow.
FOR many investors, then, the rational course is to favor equities in tax-deferred accounts -- to defer stocks first.
He will no doubt be attacked for conveying weakness, but isn't the approach he suggests the only rational course?
In that case, which of the following would have been the most rational course of action yesterday for a person with a desire not to die?
Recounting his own moral struggle of what to do about rumors of "wanton destruction and excessive force," Yates said he opted for the rational course: silence.
Two provocative articles on your April 7 Op-Ed page give one pause: The poet Jorge Valls, whose zeal for civil liberties in Cuba earned him 20 years in prison, called for the return of Elian Gonzalez to his father as the rational right course, political passions aside.
Some of this fear is entirely rational, of course.
It's so rational of course; you should use things that have been proven' Students believed that they will continue to use EBM throughout their studies and throughout their clinical careers.
Active monitoring has been described as a decision "between the clinician and the patient to not treat the condition and to intermittently reassess its status along some rational time course in follow-up" [ 14].
In a more rational world, of course, the ratification of New Start could have been done by unanimous consent.
