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1. Support or hold steady and make steadfast, with or as if with a brace
   "stabilise your elbows while working on the potter's wheel";
   - brace, steady, stabilize
    
2. Become stable or more stable
   "The economy stabilised";
   - stabilize
    
3. Make stable and keep from fluctuating or put into an equilibrium
   "The drug stabilised her blood pressure"; "stabilise prices";
   - stabilize

Derived forms: stabilised, stabilising, stabilises

Type of: alter, beef up, change, fortify, modify, strengthen

Antonym: destabilise [Brit]

Encyclopedia: Stabilise