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illuminate

[v. ih-loo-muh-neyt; adj., n. ih-loo-muh-nit, -neyt] /v. ɪˈlu məˌneɪt; adj., n. ɪˈlu mə nɪt, -ˌneɪt/
verb (used with object), illuminated, illuminating.
1.
to supply or brighten with light; light up.
2.
to make lucid or clear; throw light on (a subject).
3.
to decorate with lights, as in celebration.
4.
to enlighten, as with knowledge.
5.
to make resplendent or illustrious:
A smile illuminated her face.
6.
to decorate (a manuscript, book, etc.) with colors and gold or silver, as was often done in the Middle Ages.
verb (used without object), illuminated, illuminating.
7.
to display lights, as in celebration.
8.
to become illuminated.
adjective
9.
Archaic. illuminated.
10.
Obsolete, enlightened.
noun
11.
Archaic. a person who is or affects to be specially enlightened.
Origin
late Middle English
1400-1450
1400-50; late Middle English < Latin illūminātus (past participle of illūmināre to light up, brighten). See illumine, -ate1
Related forms
illuminatingly, adverb
preilluminate, verb (used with object)
reilluminate, verb, reilluminated, reilluminating.
semi-illuminated, adjective
unilluminated, adjective
Synonyms
2. clarify, explain, elucidate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un-illuminated

illuminate

verb (ɪˈluːmɪˌneɪt)
1.
(transitive) to throw light in or into; light up: to illuminate a room
2.
(transitive) to make easily understood; clarify
3.
to adorn, decorate, or be decorated with lights
4.
(transitive) to decorate (a letter, page, etc) by the application of colours, gold, or silver
5.
(intransitive) to become lighted up
adjective (ɪˈluːmɪnɪt; -ˌneɪt)
6.
(archaic) made clear or bright with light; illuminated
noun (ɪˈluːmɪnɪt; -ˌneɪt)
7.
a person who has or claims to have special enlightenment
Derived Forms
illuminative, adjective
illuminator, noun
Word Origin
C16: from Latin illūmināre to light up, from lūmen light
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for un-illuminated

illuminate

v.

c.1500, "to light up, shine on," a back-formation from illumination, or else from Latin illuminatus, past participle of illuminare (see illumination). Earlier was enlumyen (late 14c.) "decorate written material with gold, silver, bright colors," from Old French enluminer, from Late Latin inluminare; also illumine (late 14c.). Related: Illuminated; illuminating.

Online Etymology Dictionary, © 2010 Douglas Harper
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