Below are possible answers for the crossword clue Modify or change.
4 letter answer(s) to modify or change
VARY
be at variance with; be out of line with
be subject to change in accordance with a variable; "Prices vary"; "His moods vary depending on the weather"
become different in some particular way, without permanently losing one's or its former characteristics or essence; "her mood changes in accordance with the weather"; "The supermarket's selection of vegetables varies according to the season"
make something more diverse and varied; "Vary the menu"
Other crossword clues with similar answers to 'Modify or change'