S: (n) inquiry, enquiry, research (a search for knowledge) "their pottery deserves more research than it has received"
Verb
S: (v) research (attempt to find out in a systematically and scientific manner) "The student researched the history of that word"
S: (v) research, search, explore (inquire into) "the students had to research the history of the Second World War for their history project"; "He searched for information on his relatives on the web"; "Scientists are exploring the nature of consciousness"