Word.ws English Dictionary

rationability

rationability noun: synonym of rationality or reasonability.

Noun

rationability (uncountable)

  1. (archaic) Synonym of rationality or reasonability.
    • And, if on twenty pounds of fluid, one of humours is to be defalcated: ſhould you evaporate the whole together to one ſcruple, would you not always find in that ſcruple ſtill one grain of humours?—I will ſay no more, nor lay greater ſtreſs on that ſubjeft, but leave every one to judge for himſelf...1776, [Francis Spilsbury], “Scurvy”, in Free Thoughts on Quacks and Their Medicines, Occasioned by the Death of Dr. Goldsmith and Mr. Scawen; […], London: […] J. Wilkie, […] and Mr. Davenhill, […]...
    • Since God’s revelation comes to full expression in human life, it is henceforth life with all its ambiguities and lack of rationability that becomes the norm.1968 February 13, Gabriel Moran, “The Future of Catechetics”, in Vision and Tactics: Toward an Adult Church, New York, N.Y.: Herder and Herder, →LCCN, →OCLC, page 26

Synonyms of rationability

Origin of rationability

From Middle English racionabilite, a learned borrowing from Classical Latin ratiōnābilitās. By surface analysis, ration(able) + -ability. Piecewise doublet of reasonability.

Questions about rationability

What does rationability mean?
Rationability means synonym of rationality or reasonability.
What part of speech is rationability?
Rationability is a noun.

Words near rationability in the dictionary

  1. ration cards
  2. ration coupon
  3. ration coupons
  4. ration stamp
  5. ration stamps
  6. rationability
  7. rationable
  8. rationably
  9. rational
  10. rational basis review
  11. rational choice theory

Source and license

Adapted from Wiktionary: rationability (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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