rationable

adjective2

1. •
   Suitable for being rationed.

   • Stocks fell 60 percent in two months to 35000 tons of rationable meat. — 2002
2. •
   (no longer used) Synonym of rational or reasonable.

   • Instinctive drives are, in this sense, rationable; they are admitted, by the mature individual, to influence on his behavior only on condition of contributing to the going program of action. — 1952