Main entry: adjustment, alteration, modification
Definition: the act of making something different (as e.g. the size of a garment)
Main entry: alteration, revision
Definition: the act of revising or altering (involving reconsideration and modification)
Usage: it would require a drastic revision of his opinion
Main entry: change, modification, alteration
Definition: an event that occurs when something passes from one state or phase to another
Usage: the change was intended to increase sales; this storm is certainly a change for the worse; the neighborhood had undergone few modifications since his last visit years ago