Synonym of 'luminous'

The same question, asked 2 times: 21 Jul 2023 S1*, 17 Sep 2025 S1. Every wording below, oldest first.

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Question 1
21 Jul 2023 S1
88 $Select the most appropriate synonym of the word given in brackets to fill in the blank. She looked ___________(luminous) in the diamond necklace.$
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Question 2
17 Sep 2025 S1
76 $Select the most appropriate synonym of the given word: LUMINOUS$
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