[f. as prec. + -ING2.] That enlightens, in various senses of the verb.

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1641.  Milton, Ch. Govt., Pref. (1851), 96. The supreme inlightning assistance.

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1678.  Norris, Coll. Misc. (1699), 101. ’Twas a Crime to taste th’ inlightning Tree.

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1791.  Cowper, Odyss., X. 236. Where sets The all enlight’ning sun.

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1824.  Coleridge, Aids Refl. (1848), I. 5. This seeing light, this enlightening eye, is reflection.

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