Etymology: Middle English techen to show, instruct, from Old English tǣcan; akin to Old English tācn sign — more at token
Date: before 12th century
a. to cause to know something <taught them a trade> b. to cause to know how <is teaching me to drive> c. to accustom to some action or attitude <teach students to think for themselves> d. to cause to know the disagreeable consequences of some action <I'll teach you to come home late> 2. to guide the studies of 3. to impart the knowledge of <teach algebra> 4. a. to instruct by precept, example, or experience b. to make known and accepted <experience teaches us our limitations> 5. to conduct instruction regularly in <teach school> intransitive verb to provide instruction ; act as a teacher Usage: see learn Synonyms: teach, instruct, educate, train, discipline, school mean to cause to acquire knowledge or skill. teach applies to any manner of imparting information or skill so that others may learn <taught us a lot about our planet>. instruct suggests methodical or formal teaching <instructs raw recruits in military drill>. educate implies development of the mind <more things than formal schooling serve to educate a person>. train stresses instruction and drill with a specific end in view <trained foreign pilots to operate the new aircraft>. discipline implies training in habits of order and precision <a disciplined mind>. school implies training or disciplining especially in what is hard to master <schooled the horse in five gaits>.
New Collegiate Dictionary. 2001.