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definitions

ratable

or rate·a·ble

[rey-tuh-buh l]
adjective
  1. capable of being rated or appraised.
  2. proportional: ratable distribution of wealth.

Origin of ratable

First recorded in 1495–1505; rate1 + -able
Related formsrat·a·bil·i·ty, rat·a·ble·ness, nounrat·a·bly, rate·a·bly, adverbnon·rat·a·bil·i·ty, non·rate·a·bil·i·ty, nounnon·rat·a·ble, non·rate·a·ble, adjectivenon·rat·a·ble·ness, non·rate·a·ble·ness, nounnon·rat·a·bly, non·rate·a·bly, adverbun·rat·a·ble, un·rate·a·ble, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for ratably

ratable

rateable

adjective
  1. able to be rated or evaluated
  2. British (of property) liable to payment of rates
Derived Formsratability, rateability, ratableness or rateableness, nounratably or rateably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for ratably

ratable

adj.

also rateable, c.1500, from rate (v.2) + -able.

Online Etymology Dictionary, © 2010 Douglas Harper