• appraising, examination room, examining room, inquisitor, scanner, searcher, verifier
• assay, audit, disquisition, enquiry, examination, inquest, inquiry, inspection, investigation, monitoring, quest, review, search, survey, test, trial
• question under investigation
• to analyse, to analyze, to assay, to audit, to bolt, to examine, to explore, to inspect, to investigate, to look at, to look into, to probe, to scan, to search, to see into, to sift, to test, to try, to vet
• boarding, check, revision
• clearance, customs examination
• check, review, verification
• routine medical examination
• have a look at sg, to check on sg, to sit on, to sit upon
• case study, single test