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ENGLISH · A WORD WITH POSSIBILITIES

illuminate.

To shine light on something.

10 characters4 syllables approx.English language

Meaning & usage

verb/ɪˈl(j)umɪneɪt/Canada, General-American, Received-Pronunciation/ɪˈl(j)uməneɪt/Canada, General-American, Received-Pronunciation/ɪˈlʉmɪnæɪt/Australia/ɪˈlʉmənæɪt/Australia
  1. To shine light on something.

    transitive
  2. To decorate something with lights.

    transitive
  3. To clarify or make something understandable.

    figuratively · transitive
  4. To decorate the page of a manuscript book with ornamental designs.

    transitive
  5. To make spectacular.

    figuratively · transitive
  6. To glow; to light up.

    intransitive
  7. To be exposed to light.

    intransitive
  8. To direct a radar beam toward.

    transitive
Where this word comes from

From Middle English illuminaten, borrowed from Latin illūminātus, perfect passive participle of illūminō (“lighten, light up, show off”) (see -ate (verb-forming suffix) for more), from in + lūminō (“light up”), from lūmen (“light”). Cognate with Old English lȳman (“to glow, shine”). More at leam.

adj/ɪˈl(j)umɪnət/Canada, General-American, Received-Pronunciation/ɪˈlʉmənət/Australia
  1. Enlightened, illuminated, made bright.

    obsolete
  2. Enlightened spiritually, divinely taught or inspired; in technical use, converted, baptized.

    figuratively
  3. Learned, erudite.

    archaic
Where this word comes from

From Latin illūminātus, see Etymology 1 and -ate (adjective-forming suffix) for more. For sense 3, see also Lumières.

noun/ɪˈl(j)umɪnət/Canada, General-American, Received-Pronunciation/ɪˈlʉmənət/Australia
  1. Someone thought to have an unusual degree of enlightenment.

Where this word comes from

From a substantivation of the above adjective, see -ate (noun-forming suffix) for more.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.