examine (something) in order to determine its accuracy, quality, or condition, or to detect the presence of something.
customs officers have the right to check all luggage
examine,inspect,look at,look over,scrutinize,scan,survey,study,investigate,research,probe,dissect,explore,look into,inquire into,go into,go over with a fine-tooth comb,check out,test,monitor,review,give something a/the once-over,give something a look-see,give something a going-over
an examination to test or ascertain accuracy, quality, or satisfactory condition.
a campaign calling for regular checks on gas appliances