the GNU version of the Collaborative International Dictionary of English
adj. Capable of being defined, limited, or explained; determinable; describable by definition; ascertainable.
The Century Dictionary and Cyclopedia
Capable of being defined
Determinable; ascertainable: as, definable limits; a definable period.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. capable of being defined, limited, or explained
Word Usage
"Preservation of freedom within definable and understandable limits distinguishes our form of government from other arbitrary forms regardless of their designation."