noun (plural -ties) Date: 1628 the quality or state of being rational, the quality or state of being agreeable to reason ; reasonableness, a rational opinion, belief, or practice
RATIONALITY
Meaning of RATIONALITY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012