Congratulations on your new kitten! Male kittens are usually neutered at between 4 to 6 months of age. However, the AVMA has endorsed early age neutering of dogs and cats 8 to 16 weeks of age. You and your vet can decide what is the best time starting in a few weeks.
incarceration - the state of being imprisoned; he was held in captivity until he died; the imprisonment of captured soldiers; his ignominious incarceration in the local jail; he practiced the immurement of his enemies in the castle dungeon. captivity, immurement, imprisonment.
The term prison or penitentiary is often used to describe institutions that incarcerate people for longer periods of time, such as many years, while jail is often used to describe institutions focused on confining people for shorter periods of time (e.g. for shorter sentences or while waiting for trial / sentencing).