'alter' definitions:

Definition of 'alter'

From: WordNet
verb
Cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue" [syn: change, alter, modify]
verb
Become different in some particular way, without permanently losing one's or its former characteristics or essence; "her mood changes in accordance with the weather"; "The supermarket's selection of vegetables varies according to the season" [syn: change, alter, vary]
verb
Make an alteration to; "This dress needs to be altered"
verb
Insert words into texts, often falsifying it thereby [syn: interpolate, alter, falsify]
verb
Remove the ovaries of; "Is your cat spayed?" [syn: alter, neuter, spay, castrate]

Synonyms of 'alter'

From: Moby Thesaurus