Select the option that can be used as a one-word substitute for the given group of words.

A large bedroom for a number of people in a school or institution.

Dormitory

The word that can substitute the given group of words is dormitory.

• Creche is a nursery for young children.
• Hostel is a building that provides lodging and meals for people, especially students or travelers.
• Dormitory is a large bedroom for a number of people in a school or institution.
• Assembly is a gathering of people, especially for a meeting or performance.

Dormitory is the most appropriate word for the given group of words because it specifically refers to a large bedroom for a number of people in a school or institution. It is derived from the Latin word dormitorium, meaning "sleeping place."