Noun
1. an event that occurs when something passes from one state or phase to another;
"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"2. the act of making something different (as e.g. the size of a garment)
3. the act of revising or altering (involving reconsideration and modification);
"it would require a drastic revision of his opinion"