altering

/AO1 L T ER0 IH0 NG/
verb
  1. 1

    To change the form or structure of.

  2. 2

    To become different.

  3. 3

    To tailor clothes to make them fit.

  4. 4

    To castrate, neuter or spay (a dog or other animal).

  5. 5

    To affect mentally, as by psychotropic drugs or illness.

noun
  1. 1

    Alteration

    โ€œ{{quote-book|en|author=George Fox|year=1654|title=epistle LXXVI|passage=And stand steadfast in the unchangeable life and seed of God, which was before changings and alterings were; and which will remain when they all are gone.โ€

Source: https://en.wiktionary.org/wiki/alter, https://en.wiktionary.org/wiki/altering