What is the meaning of research?

noun

• Systematic investigation to establish facts.
• A search for knowledge.
  • usage: "their pottery deserves more research than it has received"
  • synonyms: inquiry, enquiry

verb

• Attempt to find out in a systematically and scientific manner.
  • usage: "The student researched the history of that word"
• Inquire into.
  • usage: "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"
  • synonyms: search, explore