| exploring(noun, act, process, instance, search) |
| research(noun, study, order, check, view) |
| reconnoissance(expression, act, process, alternative) |
| reconnoitering(adjective, study, scan, scrutiny, inquiry) |
| intelligence(noun, search, service, survey, exploration) |
| mission(noun, attack, raid, military) |
| patrol(noun, search, service, survey, exploration) |
| prospect(noun, search, service, survey, exploration) |
| raid(noun, study, check, attack, search) |
| recco(noun, search, service, survey, exploration) |
| reconnoitring(noun, search, service, survey, exploration) |
| scouting out(expression, search, service, survey, exploration) |
| spying out(expression, search, service, survey, exploration) |
| checking(noun, study, check, search, test) |
| checkup(noun, study, check, search, test) |
| foray(noun, attack, attempt, raid, military) |
| interrogation(search, noun, study, check, test) |
| expedition(noun, survey, study, search, examination) |
| activity of obtaining information(expression, survey, observation, research, military) |
| inquest(noun, study, order, check, view) |