consistency

Consistency means thickness or something stays the same, is done in the same way or looks the same. (noun)

An example of consistency is a sauce that is easy to pour from a pitcher.
An example of consistency is when all tests that students take are graded using the same grading scale.
An example of consistency is when paint is applied uniformly so that the wall looks the same from one side to the other.

See consistency in Webster's New World College Dictionary

More from YD