- rationality (n.)
[rationality 词源字典]
- 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).[rationality etymology, rationality origin, 英语词源]