S: (v) limit, circumscribe, confine to (restrict or confine within limits) "I limit you to two visits to the pub a day"; "please confine your questions to the topic"; "our actions are circumscribed by our biology, personality, and by the social and cultural context into which we are born"
S: (v) change, alter, 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"