definition of
modify

[1] #1 modify v. make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage". wn

[2] #2 modify v. [qualify] add a modifier to a constituent. wn

[3] #3 modify v. [change, alter] 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". wn