Testing

Definition
Test (noun): a diagnostic procedure intended to establish the quality, performance, or reliability of something, especially before it is taken into widespread use.

Test (verb): take measures to check the quality, performance, or reliability of (something), especially before putting it into widespread use or practice.


Etymology
1350-1400
Middle French; Latin (Mediterranean) --testu, testum

Forms (with prefixes and suffix0
testable (adjective)
testability (noun)
testingly (adverb)
nontestable (adjective)
nontesting (adjective)

Types
a type of trial, observation, evaluation, critical examination, series of questions, medical (Ebola), drug, written, oral, performance 


Purpose
to measure skill, knowledge, intelligence, capacity, aptitude of an individual or a sub group
to identify disease or loss of physical function
to determine moral or ethical behavior
to discover behavioral tendencies
to determine genuineness
to assess performance