(In homeopathy) the testing of a remedy
Demonstrate the truth or existence of (something) by evidence or argument
(Of an exception) that proves the rule.
(Of a will) accompanied by a witnesses' affidavit for which no oral testimony is needed to be admitted to probate
An environment that serves to demonstrate whether something, such as a theory or product, really works
Reprimand or censure (someone)
To prove or test (a firearm) as to suitability for use with nitro powder (usually in pass.).
Demonstrate one’s abilities or courage