1.Definition: 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"
Related Noun(s):alteration, change
2.Definition: slightly modified copy; not an exact copy
"A modification of last year's model"
4.Definition: the grammatical relation that exists when a word qualifies the meaning of the phrase