do by, treat, handle - interact in a certain way; "Do right by her"; "Treat him with caution, please"; "Handle the press reporters gently"

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"

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"