research

Careful study of a given subject, field, or problem, undertaken to discover facts or principles.

An act or period of such study.

To engage in or perform research.

To study (something) thoroughly so as to present in a detailed, accurate manner.

To do research for.

To search again; examine anew.

To search or examine with continued care; examine into or inquire about diligently.

Diligent inquiry, examination, or study; laborious or continued search after facts or principles; investigation: as, microscopical research; historical researches.

In music, an extemporaneous composition preluding the performance of a work, and introducing some of its leading themes.

Synonyms Investigation, Inquiry, etc. (see examination), exploration.