the GNU version of the Collaborative International Dictionary of English
adj. Capable of being scaled.
The Century Dictionary and Cyclopedia
Capable of being scaled, in any sense of that word. Also spelled scaleable.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. capable of being scaled; possible to scale
Word Usage
""People in education want what are called the 'scalable' solutions - meaning your program can be scaled up to reach larger and larger numbers for less and less money per kid," says Chew, a former Microsoftie."