| verb | try to locate or discover, or try to establish the existence of “The police are searching for clues” |
| verb | search or seek “We looked all day and finally found the child in the forest” |
| verb | inquire into “the students had to research the history of the Second World War for their history project” |
| verb | subject to a search “The police searched the suspect” |
| adjective | diligent and thorough in inquiry or investigation “a probing inquiry” |
| adjective | having keenness and forcefulness and penetration in thought, expression, or intellect “searching insights” |
| adjective | exploring thoroughly |
| search | noun | the activity of looking thoroughly in order to find something or someone |
| searcher | noun | a customs official whose job is to search baggage or goods or vehicles for contraband or dutiable items |
| seeking | noun | the act of searching for something |
| research | noun | a search for knowledge |
| researcher | noun | a scientist who devotes himself to doing research |
| explorative | adjective | serving in or intended for exploration or discovery |
| exploratory | adjective | serving in or intended for exploration or discovery |
| exploration | noun | a systematic consideration |
| trenchancy | noun | keenness and forcefulness of thought or expression or intellect |