stabilize

(verb) make stable and keep from fluctuating or put into an equilibrium. Synonyms: stabilise. Examples: "The drug stabilized her blood pressure." "Stabilize prices."

(verb) support or hold steady and make steadfast, with or as if with a brace. Synonyms: brace, steady, stabilise. Example: "Brace your elbows while working on the potter's wheel."

(verb) become stable or more stable. Synonyms: stabilise. Example: "The economy stabilized."