From WordNet (r) 3.0 (2006) :
stabilise
v 1: support or hold steady and make steadfast, with or as if
with a brace; "brace your elbows while working on the
potter's wheel" [syn: brace, steady, stabilize,
stabilise]
2: become stable or more stable; "The economy stabilized" [syn:
stabilize, stabilise] [ant: destabilise, destabilize]
3: make stable and keep from fluctuating or put into an
equilibrium; "The drug stabilized her blood pressure";
"stabilize prices" [syn: stabilize, stabilise] [ant:
destabilise, destabilize]