alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"

liberalise, liberalize - become more liberal; "The laws liberalized after Prohibition"

decontrol - relax or remove controls of; "decontrol marijuana"

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"

liberalize, liberalise - make liberal or more liberal, of laws and rules