| cornice | (noun) the topmost projecting part of an entablature | - |
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| (noun) a molding at the corner between the ceiling and the top of a wall | - |
| (noun) a decorative framework to conceal curtain fixtures at the top of a window casing | Synonyms: pelmet, valance, valance board |
| niceness | (noun) the quality of nice | - |
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| (noun) the quality of being difficult to detect or analyze | Synonyms: subtlety |
| (noun) a courteous manner that respects accepted social usage | Synonyms: politeness |
| nicety | (noun) conformity with some esthetic standard of correctness or propriety | Synonyms: justness, rightness |
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| (noun) a subtle difference in meaning or opinion or attitude | Synonyms: nuance, refinement, shade, subtlety |