Dictionary.net

attempt to find out; "The student researched the history of that word"

systematic investigation to establish facts

systematic investigation to establish facts

attempt to find out in a systematically and scientific manner; "The student researched the history of that word"

Diligent inquiry or examination in seeking facts or principles; laborious or continued search after truth; as, researches of human wisdom.

To search or examine with continued care; to seek diligently.

Diligent inquiry or examination in seeking facts or principles; laborious or continued search after truth; as, researches of human wisdom.

To search or examine with continued care; to seek diligently.

Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)

Careful inquiry or investigation; the effort to find fresh information in history, science, literature, etc.

Researcher.

A careful search: diligent examination or investigation: scrutiny: great learning on a difficult or recondite subject, as archaeology.

Careful search; examination; scrutiny.

Continued and diligent investigation or study.

n. [French] Laborious and patient search, as for truth; —diligent inquiry or examination in seeking facts or principles; inquiry; scrutiny.