WordReference Random House Learner's Dictionary of American English © 2015
il•lus•trate /ˈɪləˌstreɪt, ɪˈlʌstreɪt/USA pronunciation v. [+ object],-trat•ed, -trat•ing.
  1. to provide (a book, etc.) with artwork:to illustrate a book.
  2. to make clear or understandable by providing examples:illustrated his point with statistics.
il•lus•tra•tor, n. [countable]

Collins Concise English Dictionary © HarperCollins Publishers::

illustrate /ˈɪləˌstreɪt/ vb
  1. to clarify or explain by use of examples, analogy, etc
  2. (transitive) to be an example or demonstration of
  3. (transitive) to explain or decorate (a book, text, etc) with pictures
Etymology: 16th Century: from Latin illustrāre to make light, explain, from lustrāre to purify, brighten; see lustrum

ˈillusˌtrative adj ˈillusˌtrator n

'illustrated' also found in these entries:

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