1. admission

permission to join a club or become a student at a college or university.

e.g. Many students apply for admission to more than one university.

2. devise

to invent a method of doing something

e.g. They've devised a scheme to allow students to study part-time.

3. cassette

a small flat plastic case with videotape inside

e.g. A mysterious cassette tape had been discovered by my friend Bree.x