"researching" in the verb sense
attempt to find out in a systematically and scientific manner
"The student researched the history of that word"
2. research, search, explore
"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"
Source: WordNet® (An amazing lexical database of English)
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