Experiment
Part of speech: verb
Definition: To conduct an experiment.
Part of speech: noun
Definition: A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy of something previously untried.
Example sentence: If your experiment needs statistics, you ought to have done a better experiment.
Experimentation
Part of speech: noun
Definition: The act of experimenting; practice by experiment.A set of actions and observations, performed to verify or falsify a hypothesis or to research a causal relationship between phenomena.
Example sentence: The country needs and, unless I mistake its temper, the country demands bold, persistent, experimentation. It is common sense to take a method and try it, if it fails, admit it frankly and try another. But above all, try something.