Knowledge

n.	1.
	1.	The act or state of knowing; clear perception of fact, truth, or duty; certain apprehension; familiar cognizance; cognition. Knowledge, which is the highest degree of the speculative faculties, consists in the perception of the truth of affirmative or negative propositions. - Locke.
	2.	That which is or may be known; the object of an act of knowing; a cognition; - chiefly used in the plural. There is a great difference in the delivery of the mathematics, which are the most abstracted of knowledges. - Bacon. Knowledges is a term in frequent use by Bacon, and, though now obsolete, should be revived, as without it we are compelled to borrow "cognitions" to express its import. - Sir W. Hamilton. To use a word of Bacon's, now unfortunately obsolete, we must determine the relative value of knowledges. - H. Spencer.
	3.	That which is gained and preserved by knowing; instruction; acquaintance; enlightenment; learning; scholarship; erudition. Knowledge puffeth up, but charity edifieth. - 1 Cor. viii. 1. Ignorance is the curse of God; Knowledge, the wing wherewith we fly to heaven. - Shak.
	4.	That familiarity which is gained by actual experience; practical skill; as, a knowledge of life. Shipmen that had knowledge of the sea. - 1 Kings ix. 27.
	5.	Scope of information; cognizance; notice; as, it has not come to my knowledge. Why have I found grace in thine eyes, that thou shouldst take knowledge of me? - Ruth ii. 10.
	6.	Sexual intercourse; - usually preceded by carnal; same as carnal knowledge.
v. t.	1.	To acknowledge.

Noun

1.

knowledge - the psychological result of perception and learning and reasoning Synonyms: cognition, noesis

KNOWLEDGE. Information as to a fact.
     2. Many acts are perfectly innocent when the party performing them is not aware of certain circumstances attending them for example, a man may pass a counterfeit note and be guiltless, if he did not know it was so he may receive stolen goods if he were not aware of the fact that they were stolen. In these and the like cases it is the guilty knowledge which makes the crime. See, as to the manner of proving guilty knowledge, Arch. Cr. Pl. 110, 111. Vide Animal. Dog; Evidence ignorance; Scienter.

(artificial intelligence, information science)

knowledge - The objects, concepts and relationships that are assumed to exist in some area of interest. A collection of knowledge, represented using some knowledge representation language is known as a knowledge base and a program for extending and/or querying a knowledge base is a knowledge-based system. Knowledge differs from data or information in that new knowledge may be created from existing knowledge using logical inference. If information is data plus meaning then knowledge is information plus processing. A common form of knowledge, e.g. in a Prolog program, is a collection of facts and rules about some subject. For example, a knowledge base about a family might contain the facts that John is David's son and Tom is John's son and the rule that the son of someone's son is their grandson. From this knowledge it could infer the new fact that Tom is David's grandson. See also Knowledge Level.

IQ, account, acquaintance, adeptness, advice, announcement, appreciation, awareness, blue book, briefing, broadening the mind, bulletin, caliber, capacity, cognition, communication, communique, comprehension, conception, consciousness, data, datum, deductive power, directory, discernment, dispatch, enlightenment, esemplastic power, evidence, experience, expertise, facts, factual information, familiarity, familiarization, gen, general information, grasp, guidebook, handout, hard information, ideation, incidental information, info, insight, instruction, integrative power, intellect, intellectual acquirement, intellectual grasp, intellectual power, intellectualism, intellectuality, intelligence quotient, knowing, light, lore, mastery of skills, memorization, mental age, mental capacity, mental cultivation, mental culture, mental grasp, mental ratio, mentality, mention, message, mother wit, native wit, news, notice, notification, power of mind, presentation, proficiency, promotional material, proof, publication, publicity, rationality, reasoning power, release, report, sanity, schooling, science, scope of mind, self-instruction, sense, sidelight, statement, storing the mind, the dope, the goods, the know, the scoop, thinking power, transmission, white book, white paper, wit, word

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