Any rational discussion of what Obama and his party need to do must begin with this existential question: What the hell happened?
The idea was to create such pressure on Congress that a Super Committee would forge a rational plan.
David Frum calls upon the GOP's rational caucus to step up before it's too late.
Police said she appeared to be “disoriented and confused and not rational and paranoid.”
In other words, our rational sides are simply not equipped to make complex and far-reaching decisions like when to get married.
Though he had no rational reason for expecting trouble he had still his hunch and his intuition.
Be rational, and just, and calm, and tell me whose idea was that.'
We are experiencing in the world-war a fearful balancing-up with the rational intentionality of organised culture.
And don't trust him at any time; for when he seems most rational, he's wildest in his talk.
The natural turn of his temper inclined him to rational society, but in that his wife could bear no part.
late 14c., "pertaining to reason;" mid-15c., "endowed with reason," from Old French racionel and directly from Latin rationalis "of or belonging to reason, reasonable," from ratio (genitive rationis) "reckoning, calculation, reason" (see ratio).
rational ra·tion·al (rāsh'ə-nəl)
Having or exercising the ability to reason.
Influenced by reasoning rather than by emotion.
Of sound mind; sane.
Based on scientific knowledge or theory rather than practical observation.
[Mathematics] a fractional number n/d, where n and d are integers, n is the numerator and d is the denominator. The set of all rational numbers is usually called Q. Computers do not usually deal with rational numbers but instead convert them to real numbers which are represented (approximately in some cases) as floating-point numbers. Compare irrational.