Merriam-Webster Collegiate Dictionary - teach

 verb  (taught; ~ing)  Etymology: Middle English techen to show, instruct, from Old English t?can; akin to Old English tacn sign — more at token  Date: before 12th century  transitive verb  1.  a. to cause to know something taught them a trade  b. to cause to know how is ~ing me to drive  c. to accustom to some action or attitude ~ students to think for themselves  d. to cause to know the disagreeable consequences of some action I'll ~ you to come home late  2. to guide the studies of  3. to impart the knowledge of ~ algebra  4.  a. to instruct by precept, example, or experience  b. to make known and accepted experience ~es us our limitations  5. to conduct instruction regularly in ~ school  intransitive verb to provide instruction ; act as a ~er  Usage: see learn Synonyms:  ~, instruct, educate, train, discipline, school mean to cause to acquire knowledge or skill. ~ 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 ~ing 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.