stabilise,
stabilize make stable and keep from fluctuating or put into an equilibrium; "The drug stabilized her blood pressure"; "stabilize prices"
modify,
alter,
change make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
destabilise -
become unstable; "The economy destabilized rapidly"
stabilise,
stabilize make stable and keep from fluctuating or put into an equilibrium; "The drug stabilized her blood pressure"; "stabilize prices"
change undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night"
