rationably

R1A1T1I1O1N1A1B3L1Y4

adverb

Rationally, reasonably.

First used 1540Scrabble 15
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

adverbrationably (comparative more rationably, superlative most rationably)

comparative more rationably · superlative most rationably

  1. archaicRationally, reasonably.First known use 1540

    By this Hypotheſis there is no one experiment of colour that I have yet met with, but may be, I conceive, very rationably ſolv'd, and perhaps, had I time to examine ſeveral particulars requiſite to the demonſtration of it, I might prove it more than probable, […]

    1665, R[obert] Hooke, “Observ[ation] X. Of Metalline, and Other Real Colours.”, in Micrographia: Or Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses. […], London: […] Jo[hn] Martyn, and Ja[mes] Allestry, printers to the Royal Society, […], →OCLC, page 69

Origin

From rationable + -ly. Piecewise doublet of reasonably.

Full word history & related roots →
Cite this entry
APA

rationably. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rationably

MLA

“rationably.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rationably. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “rationably,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rationably.

Source: rationably on Wiktionary, CC BY-SA 4.0.