1. agreement or logical coherence among things or parts: a rambling argument that lacked any consistency.
2. correspondence among related aspects; compatibility: questioned the consistency of the administration's actions with its stated policy.
3. reliability or uniformity of successive results or events: pitched with remarkable consistency throughout the season.
4. degree of density, firmness, or viscosity: beat the mixture to the consistency of soft butter.

1. local coherence
2. correspondence or compatibility
3. reliability or uniformity; the quality of being consistent
4. the degree of viscosity of something
5. freedom from contradiction; the state of a system of axioms such that none of the propositions deduced from them are mutually contradictory

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