research
re.search \ri-'s*rch, 're--.\ n [MF recerche, fr. recerchier to investigate thoroughly, fr. OF, fr.] re- + cerchier to search - more at SEARCH 1: careful or diligent search 2: studious inquiry or examination; esp : investigation or experime ntation aimed at the discovery and interpretation of facts, revision of accepted theories or laws in the light of new facts, or practical application of such new or revised theories or laws - research vb