Equilibrium (6)
'equilibrium' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for stasis that I've seen before include "Cessation" , "Abnormal state in which the flow of blood is stopped" , "absence of change" , "Secret police force's" , "Enduring state" .)
'equilibrium' is the definition.
(balance is a kind of equilibrium)
This is the entire clue.
(Other definitions for balance that I've seen before include "emotional stability" , "Sign" , "Equilibrium or steady position" , "Rest" , "the unstable may lose before fall" .)
'equilibrium' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for counterpoise that I've seen before include "Balancing factor" , "Weight balancing another" , "balance" , "Offset" .)