0 able to think, reason and judge etc -- rationel; fornuftig
Man is a rational animal.
1 sensible; reasonable; logical; not (over-) influenced by emotions etc -- rationel; fornuftig
There must be a rational explanation for those strange noises
More precisely, suppose that p/q is a rational number, and we search for a continued fraction representation for it.
An expert regime is concerned with statistical precision and rational modeling.
He argues that indeterminacy of rational choice is the result of either indifference or incommensurability of the options.
Lowering prices just enough to empty the stock of resources seems more rational.
Preferences are rational when they are, in a precise sense, consistent.
In addition to problems of detail in working out a perfectly rational code, there is a problem of principle.
I can be perfectly rational in believing that my faculty of vision is keener than my companions.
Then although it is highly unlikely that your ticket is the winner, this cannot make it rational to accept that your ticket won't win.
