rationable1
/ˈraʃ(ə)nəbl/ /ˈraʃ(ə)nəbl/Now rare
adjective
1Originally Scottish. Of a thing: in accordance with or conformable to reason; reasonable, just, fair.
2Of a sentient being: having the faculty of reasoning; capable of reasoning; open to reason; rational, sensible.
Origin
Late 15th century; earliest use found in de Mondeville's Surgery. From classical Latin ratiōnābilis rational, reasonable from ratiōn-, ratiō + -ābilis. Compare Old French rationable endowed with reason.
rationable2
/ˈraʃ(ə)nəbl/ /ˈraʃ(ə)nəbl/adjective
Able to be rationed; capable of being rationed.
Origin
1940s. From ration + -able.