Study

To study means to acquire knowledge about a given subject, often by memorization or reading.
A study is an experiment, especially a clinical trial.
Study or studies may refer to a field of research or academics.
A study is a kind of sketch or drawing made in order to practise or demonstrate a subject or technique; see drawing.
A study — the French term etude is more frequently used — is a musical form also used to practise or demonstrate a subject or technique; see etude.
A study is a room in a home used as an office or library; see study (room).
Eduard Study was a 19th-century German mathematician.