alter

verb

1.
cause to change; make different; cause a transformation
change modify
Event:
alteration
Derived from:
alterable alteration
2.
become different in some particular way, without permanently losing one's or its former characteristics or essence
change vary
3.
4.
insert words into texts, often falsifying it thereby
falsify interpolate
5.
remove the ovaries of
castrate neuter spay