alteration
UK: ˌɔːltəˈreɪʃən | US: ˌɔːltəˈreɪʃən
n. the act or process of making something different
n. a change or modification
The word "alteration" derives from the Latin root alter (meaning "other" or "change"), combined with the suffix -ation, which forms nouns indicating an action or process. The root alter is also seen in words like "alternate" and "altruism." Over time, "alteration" evolved in Middle English via Old French to signify the act of changing or modifying something.
The alteration of the dress took two hours.
Climate change has caused significant alterations in weather patterns.
The contract allows for minor alterations without approval.
The alteration in his tone suggested he was upset.
The architect proposed an alteration to the building's design.