Here, when the moon illustrates all the sky.
--Chapman.
2. To set in a clear light; to exhibit distinctly or
conspicuously. --Shak.
To prove him, and illustrate his high worth.
--Milton.
3. To make clear, intelligible, or apprehensible; to
elucidate, explain, or exemplify, as by means of figures,
comparisons, and examples.
4. To adorn with pictures, as a book or a subject; to
elucidate with pictures, as a history or a romance.
5. To give renown or honor to; to make illustrious; to
glorify. [Obs.]
Matter to me of glory, whom their hate Illustrates.
--Milton.
This most gallant, illustrate, and learned gentleman.
--Shak.