stabilise

verbs

support or hold steady and make steadfast, with or as if with a brace
"brace your elbows while working on the potter's wheel"
brace, stabilise, stabilize, steady
become stable or more stable
"The economy stabilized"
stabilise, stabilize
is derived from
stabilisation
make stable and keep from fluctuating or put into an equilibrium
"The drug stabilized her blood pressure"; "stabilize prices"
stabilise, stabilize
is derived from
stabilisation
antonym
destabilise
is derived from
stabiliser