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enlighten

[en-lahyt-n] /ɛnˈlaɪt n/
verb (used with object)
1.
to give intellectual or spiritual light to; instruct; impart knowledge to:
We hope the results of our research will enlighten our colleagues.
2.
Archaic. to shed light upon.
Origin
1350-1400
1350-1400; Middle English enli(g)htenen. See en-1, lighten1
Related forms
enlightenedly, adverb
enlightenedness, noun
enlightener, noun
enlighteningly, adverb
nonenlightened, adjective
nonenlightening, adjective
preenlighten, verb (used with object)
preenlightener, noun
reenlighten, verb (used with object)
unenlightened, adjective
unenlightening, adjective
well-enlightened, adjective
Synonyms
1. illumine, edify, teach, inform.
Antonyms
1. mystify, confuse, perplex, puzzle.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for preen lighten

enlighten

/ɪnˈlaɪtən/
verb (transitive)
1.
to give information or understanding to; instruct; edify
2.
to free from ignorance, prejudice, or superstition
3.
to give spiritual or religious revelation to
4.
(poetic) to shed light on
Derived Forms
enlightener, noun
enlightening, adjective
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 preen lighten

enlighten

v.

late 14c., "to remove the dimness or blindness (usually figurative) from one's eyes or heart;" see en- (1) + lighten. Old English had inlihtan. Related: Enlightened; enlightening.

Online Etymology Dictionary, © 2010 Douglas Harper
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