tr.v. il·lu·mi·nat·ed, il·lu·mi·nat·ing, il·lu·mi·nates
1. To provide or brighten with light.
2. To decorate or hang with lights.
a. To make understandable; clarify: "Cleverly made attacks can ... serve to illuminate important differences between candidates" (New Republic).
b. To enlighten intellectually or spiritually; enable to understand: "I greatly misdoubt the accuracy of this ... Can you illuminate me?" (Charles Darwin).
4. To adorn (a page of a book, for example) with ornamental designs, images, or lettering in brilliant colors or precious metals.
5. To expose to or reveal by radiation.
One who has or professes to have an unusual degree of enlightenment.
[Middle English illuminaten, from Latin illūmināre, illūmināt- : in-, in; see IN-2 + lūmināre, to light up (from lūmen, lūmin-, light; see leuk- in the Appendix of Indo-European roots).]
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