In rhetoric, eunoia (Ancient Greek: εὔνοιᾰ, romanized: eúnoia, lit.
'well mind; beautiful thinking')[1] is the good will that speakers cultivate between themselves and their audiences, a condition of receptivity.
[2] In Book VIII of the Nicomachean Ethics, Aristotle uses the term to refer to the kind and benevolent feelings of good will a spouse has which form the basis for the ethical foundation of human life.
[4] It is also a rarely used medical term referring to a state of normal mental health.
[5] Eunoia is the shortest English word containing all five main vowel graphemes.