Webster’s Revised Unabridged Dictionary · 1913
Ratable
Rat′a·ble (rāt′ȧ·b'l), a. 1. Capable of being rated, or set at a certain value.
Twenty oræ were ratable to [at] two marks of silver. Camden.
2. Liable to, or subjected by law to, taxation; as, ratable estate.
3. Made at a proportionate rate; as, ratable payments. — Rat′a·ble·ness, n. — Rat′a·bly, adv.