D defs.my
Entry 1 sense Webster, 1913

Proportionable

· Pro·por·tion·a·ble · IPA
01 a. Capable of being proportioned, or made proportional; also, proportional; proportionate.
  1. 1.
    Capable of being proportioned, or made proportional; also, proportional; proportionate.
    “But eloquence may exist without a proportionable degree of wisdom.” Burke.
    Proportionable, which is no longer much favored, was of our [i. e., English writers'] own coining.” — Fitzed. Hall.