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ENGLISH · A WORD WITH POSSIBILITIES

illumine.

Synonym of illuminate.

8 characters3 syllables approx.English language

Meaning & usage

verb/ɪˈl(j)uːmɪn/Received-Pronunciation/ɪˈlumən/General-American
  1. Synonym of illuminate. To shine light on (something).

    also · figuratively · literary · transitive
  2. Synonym of illuminate. To cause (something) to glow or shine with light.

    also · figuratively · literary · transitive
  3. Synonym of illuminate. To enlighten (someone) spiritually; to induce (someone) to adopt, or believe in the truth of, a religion, religious tenet, etc.

    figuratively · literary · transitive
  4. Synonym of illuminate. To cause (the eyes) to see.

    figuratively · literary · transitive
  5. Synonym of illuminate. To cause (a person or their face) to show enlightenment, happiness, etc.

    figuratively · literary · transitive
  6. Synonym of illuminate. To enlighten (someone) intellectually.

    figuratively · literary · rare · transitive
  7. Synonym of illuminate. To decorate (a page of a manuscript book) with ornamental designs.

    figuratively · literary · transitive
  8. Synonym of illuminate. To become bright; to light up.

    intransitive
  9. Synonym of illuminate. To enlighten intellectually.

    figuratively · intransitive
  10. Synonym of illuminate. Of a person or their face: to show enlightenment, happiness, etc.

    figuratively · intransitive
Where this word comes from

From Middle English illuminen (“to light, light up; to shine; (figuratively) to enlighten spiritually; to make illustrious”) [and other forms], from Old French illuminer (“to light up, illuminate; (figuratively) to enlighten”) (modern French illuminer), from Latin illūmināre, the present active infinitive of illūminō (“to light up, illuminate; to brighten; to adorn; to make conspicuous”), from il- (variant of in- (prefix meaning ‘in, within’; intensifying prefix)) + lūminō (“to illuminate; to brighten; (figuratively) to reveal”) (from lūmen (“light; light source; (poetic) brightness; daylight”) (ultimately from Proto-Indo-European *lewk- (“to shine; to see; bright”)) + -ō (suffix forming regular first-conjugation verbs)).

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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.