rationality

noun

Etymology: From rational + -ity, from French rationalité, from Late Latin rationalitas (“rationality, reasonableness”), from Latin rationalis (“reasonable”).

1. The quality or state of being rational; due exercise of reason; reasonableness.

   “His sudden loss of rationality was brought on by excess drink.”

2. Objective consideration.

   “Such a discussion deserves rationality, not emotional gut reactions.”