Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun alteration

3 senses of alteration

Sense 1
change, alteration, modification -- (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")
       => happening, occurrence, occurrent, natural event -- (an event that happens)

Sense 2
alteration, modification, adjustment -- (the act of making something different (as e.g. the size of a garment))
       => change -- (the action of changing something; "the change of government had no impact on the economy"; "his change on abortion cost him the election")

Sense 3
revision, alteration -- (the act of revising or altering (involving reconsideration and modification); "it would require a drastic revision of his opinion")
       => transformation, translation -- (the act of changing in form or shape or appearance; "a photograph is a translation of a scene onto a two-dimensional surface")