alter

To change the form or structure of.

Near-synonym: tweak

No power in Venice can alter a decree.

To become different.

[…] Passing the song of the hermit bird and the tallying song of my soul, / Victorious song, death’s outlet song, yet varying ever-altering song, […]

To tailor clothes to make them fit.

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

To affect mentally, as by psychotropic drugs or illness.

We don't know if he was altered on alcohol or drugs or anything […]

One of the personalities, identities, or selves in a person with dissociative identity disorder or another form of multiplicity.

While the second goal would be best met if each alter were coconscious, the defendant should be satisfied if at least one competent alter is present to hear what transpires.

Misspelling of altar.

As an alter boy he remembered that walking between the alter and the gates was prohibited for everyone except the priest.

The hardest part of being an alter boy was learning Latin. The mass was conducted in Latin and we had to learn to pray in Latin.