Knowledge; knowledge of principles and causes; ascertained
truth of facts.

Accumulated and established knowledge, which has been
systematized and formulated with reference to the discovery of general
truths or the operation of general laws; knowledge classified and made
available in work, life, or the search for truth; comprehensive,
profound, or philosophical knowledge.

Especially, such knowledge when it relates to the physical
world and its phenomena, the nature, constitution, and forces of
matter, the qualities and functions of living tissues, etc.; – called
also natural science, and physical science.

Any branch or department of systematized knowledge
considered as a distinct field of investigation or object of study; as,
the science of astronomy, of chemistry, or of mind.

Art, skill, or expertness, regarded as the result of
knowledge of laws and principles.

To cause to become versed in science; to make skilled;
to instruct.