research [ ri-surch, ree-surch ] from DICTIONARY.COM
- diligent and systematic inquiry or investigation into a subject in order to discover or revise facts, theories, applications, etc.: recent research in medicine.
- a particular instance or piece of research.
verb (used without object)
- to make researches; investigate carefully.
verb (used with object)
- to make an extensive investigation into: to research a matter thoroughly.