A lot of thesaurus - A little bit dictionary   Overview of noun
altering  from tagged texts)  1. neutering, fixing, altering --
(the sterilization of an animal; "they took him to the vet for
neutering")  Overview of verb alter  2. change, alter, vary --
(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")  3.
alter -- (make an alteration to; "This dress needs to be
altered")  4. interpolate, alter, falsify -- (insert words into
texts, often falsifying it thereby)  5. alter, neuter, spay,
castrate -- (remove the ovaries of; "Is your cat spayed?")