(logic) an attribute of a logical system that is so constituted that none of the propositions deducible from the axioms contradict one another
logical coherence and accordance with the facts "a rambling argument that lacked any consistency"
a harmonious uniformity or agreement among things or parts
the property of holding together and retaining its shape "wool has more body than rayon" "when the dough has enough consistency it is ready to bake" - eubstance