reliability
//rɪˌlaɪ.əˈbɪl.ɪ.ti//
Noun
reliabilitySingular
1
The quality of being trustworthy, dependable, or consistently performing well over time.
The reliability of this car has been proven over many years.
2
The degree to which a measurement, test, or system produces stable and consistent results.
The reliability of this test has been confirmed through repeated experiments.