Dictionary.com
definitions

functionable

[fuhngk-shuh-nuh-buh l]
adjective
  1. functional(def 3).

Origin of functionable

function + -able
Related formsfunc·tion·a·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for functionable

Historical Examples of functionable

  • Does she seem to be in full and functionable possession of her intellectual plant, such as it is?

    Christian Science

    Mark Twain (Samuel Clemens)