1620s, "quality of having reason;" 1650s, "fact of being agreeable to reason," from French rationalité, from Late Latin rationalitas "reasonableness, rationality" (also source of Spanish racionalidad, Italian razionalita), from Latin rationalis (see rational).
权威例句
1. We live in an era of rationality.
我们生活在理性的时代。
2. When the final vote came, rationality took over.
最后一轮投票时,理性占了上风。
3. We predicate rationality of man.
我们断言理性是人类的属性.
4. Now we shall use the rationality condition to fulfill our promise.
现在我们将使用有理性条件来履行我们的诺言.
5. In the case of uncertainty, the definition of rationality becomes problematic.