Pronunciation: (di-sī'du-bul), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/decidable.html on line 77 [key]
1. capable of being decided.
2. Logic.(of an axiom, proposition, etc.) having the property that its consistency or inconsistency with the axioms of a given logical system is determinable.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.