A rigorous test or appraisal of the quality or worth of something.
In the 1960s, a party based around the use and advocacy of the psychedelic drug LSD ("acid").
The act of examining.
Interrogation, particularly by a lawyer in court or during discovery.
Particularly, an inspection by a medical professional to establish the extent and nature of any sickness or injury.
A formal test involving answering written or oral questions under a time constraint and usually without access to textbooks; typically, a large, written test administered to high school and college students covering course material studied in a semester.