rational
adjective
[ ˈraʃ(ə)n(ə)l ]
• based on or in accordance with reason or logic.
• "I'm sure there's a perfectly rational explanation"
Similar:
logical,
reasoned,
well reasoned,
sensible,
reasonable,
cogent,
coherent,
intelligent,
wise,
judicious,
sagacious,
astute,
shrewd,
perceptive,
enlightened,
clear-eyed,
clear-sighted,
commonsensical,
common-sense,
well advised,
well grounded,
sound,
sober,
prudent,
circumspect,
politic,
down-to-earth,
practical,
pragmatic,
matter-of-fact,
hard-headed,
unidealistic,
joined-up,
• (of a number, quantity, or expression) expressible, or containing quantities which are expressible, as a ratio of whole numbers.
Origin:
late Middle English (in the sense ‘having the ability to reason’): from Latin rationalis, from ratio(n- ) ‘reckoning, reason’ (see ratio).
