Rationality

noun

noun ·5 syllables ·Moderate ·High school level

Definitions

Noun
  1. 1
    The quality or state of being rational; due exercise of reason; reasonableness. uncountable, usually

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

  2. 2
    the quality of being consistent with or based on logic wordnet
  3. 3
    Objective consideration. uncountable, usually

    "Such a discussion deserves rationality, not emotional gut reactions."

  4. 4
    the state of having good sense and sound judgment wordnet

Example

More examples

"At the same time, he didn't hide his fears and doubts, but tried hard to keep his calm and rationality in facing every difficulty."

Etymology

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

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.