modify (v.)

late 14c., modifien, "alter, amend, adjust, change the properties, form, or function of;" also "set limits, keep within the bounds of reason; choose a middle course," from Old French modifier (14c.), from Latin modificare "to limit, measure off, restrain," from modus "measure, manner" (from PIE root *med- "take appropriate measures") + combining form of facere "to make" (from PIE root *dhe- "to set, put"). Related: Modified; modifying.