stable

From WikiWord, the free dictionary

/ˈsteɪ.bəɫ/ English

Definitions

A building, wing or dependency set apart and adapted for lodging and feeding (and training) animals with hoofs, especially horses.“There were stalls for fourteen horses in the squire's stables.”
(metonymy) All the racehorses of a particular stable, i.e. belonging to a given owner.
A set of advocates; a barristers' chambers.
An organization of sumo wrestlers who live and train together.

Relatively unchanging, permanent; firmly fixed or established; consistent; not easily moved, altered, or destroyed.“He was in a stable relationship.”
Of software: established to be relatively free of bugs, as opposed to a beta version.“You should download the 1.9 version of that video editing software: it is the latest stable version. The newer beta version has some bugs.”
(of a sorting algorithm) That maintains the relative order of items that compare as equal.