EXPERIMENT › to do something in order to discover if something is safe, works correctly, etc: None of our products are tested on animals.
MEDICAL › to do a medical examination of part of someone's body: I'm going to get my hearing tested.
EXAM › to give someone a set of questions, in order to measure their knowledge or ability: an exam designed to test writing skills You'll be tested on all the things we've studied this term.
SITUATION › If a situation tests someone, it proves how good, strong, etc they are.