a degree of density, firmness, viscosity, etc.: The liquid has the consistency of cream.
2.
steadfast adherence to the same principles, course, form, etc.: There is consistency in his pattern of behavior.
3.
agreement, harmony, or compatibility, especially correspondence or uniformity among the parts of a complex thing: consistency of colors throughout the house.
4.
the condition of cohering or holding together and retaining form; solidity or firmness.
1590s, "firmness of matter," from L. consistentem, from consistere (see consist). Meaning "state of being in agreement or harmony" (with something) is from 1650s; meaning "self-consistent" is from 1716.