the GNU version of the Collaborative International Dictionary of English
n. The quality of being feasible; practicability; also, that which is feasible.
The Century Dictionary and Cyclopedia
n. The quality of being feasible or capable of execution; practicability.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of being doable
Word Usage
"Specifically, the long-term feasibility of a unified currency with disparate economies, and the level of indebtedness relative to the earnings capabilities of certain countries."