search, quest, find, discovery, finding, detection

search, quest, reconnoitre, reconnoiter

search, manhunt, shakedown, perquisition, scouting, scout

exploration, investigation, research, search, disquisition, pioneering

screening, trial, monitoring, study, search, proof

searching, search, prospecting, quest, manhunt, looking-for

search, search for, discover, retrace, explore, seek

search, search for, look for, search after, seek for, go after

search, look for, hunt up, seek for, go after, see

check, scrutinize, search, screen, scan, superintend

research, inquire, scrutinize, investigate, inquire into, search

superintend, keep an eye on, watch, observe, reconnoitre, search

test, check up, Essay, examination, Experiment, search