consistency
noun
1.
the property of holding together and retaining its shape
2.
a harmonious uniformity or agreement among things or parts
Antonym:
inconsistency Derived from:
consist 3.
logical coherence and accordance with the facts
Derived from:
consistent 4.
(logic) an attribute of a logical system that is so constituted that none of the propositions deducible from the axioms contradict one another