the GNU version of the Collaborative International Dictionary of English
adj. Capable of being done.
The Century Dictionary and Cyclopedia
Capable of being done or executed.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. capable of existing or taking place or proving true; possible to do
Word Usage
"This very issue has, of course, led to the kinds of odd artificialities we see in many most? mmo's today, where something that should be doable is coded in such a way as to be impossible, for the sake of gameplay and forced compliance."