1) Alter 2) Balance 3) Become stable or more stable 4) Change 5) Eliminate fluctuations in 6) Modify 7) Stabilise 8) To become stable 9) To make stable 1) Anchor 2) Ballast 3) Be calm 4) Regularize 5) Stabilise 
To reduce the size of fluctuations in an economic variable over time. Examples include stabilizing exchange rates by exchange market intervention; stabilizing the price of a commodity by operation of a buffer stock; and stabilizing GDP by macroeconomic stabilization policy.
[v] - become stable or more stable 2. [v] - make stable and keep from fluctuating or put into an equilibrium
To maintain a texture or prevent separation, as in adding piping gel to whipped cream or meringue powder to buttercream icing.
To make firm or steady
To make resistant to change in condition or position; set. 
To make steady or keep from changing (stabilize your blood glucose).