Noun

• S: (n) neutering, fixing, altering (the sterilization of an animal) "they took him to the vet for neutering"

Verb

• S: (v) change, alter, modify (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"
• S: (v) 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"
• S: (v) alter (make an alteration to) "This dress needs to be altered"
• S: (v) interpolate, alter, falsify (insert words into texts, often falsifying it thereby)
• S: (v) alter, neuter, spay, castrate (remove the ovaries of) "Is your cat spayed?"