The phrase "already stable" is correct and usable in written English.
It can be used to describe a situation or condition that has reached a state of stability prior to a certain point in time.
Example: "The system is already stable, so we can proceed with the next phase of the project."
Alternatives: "previously stable" or "now stable".
While a charismatic candidate might help, the Democrats' pyramid is already stable.
The Treasury contends that the market for the exempted derivatives is already stable and transparent enough, and that the new rules could be dangerously disruptive.
To the extent that contraceptive use has a significant role in the conservative vision (and obviously there's some Catholic-Protestant disagreement), it's in the context of already stable, already committed relationships.
This system is already stable at ambient conditions at room temperature.
Many practical systems including the slightly damped mechanical systems, even they are already stable, are required to be controlled, in order to get better performance or better stability.
The term corresponding to the data sample or mean square error is already stable due to the presence of the original signal.
Derby Diary Most Kentucky Derby candidates are already stabled at Churchill Downs, about 70 miles from Keeneland, led by the favorite, Fusaichi Pegasus.
The only Preakness horses already stabled at Pimlico were High Yield, Hal's Hope and Red Bullet, the winner of the Gotham at Aqueduct, whose three-race winning streak ended when he trailed Fusaichi Pegasus by more than four lengths in the Wood Memorial.
Because the heat-shield structure is supported by an already very stable S/C and because it is coupled well to the extremely stable 3 K environment of deep space, the heat-shield structure can be kept at an extremely stable temperature.
"The world has already been stable for over 50 years".
Mr. Davis added hit makers like Christina Aguilera and the Dave Matthews Band to his already successful stable.
