| nosedive | (verb) plunge nose first; drop with the nose or front first, of aircraft | - |
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| sedate | (verb) cause to be calm or quiet as by administering a sedative to | Synonyms: calm, tranquilize, tranquillise, tranquillize |
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| sediment | (verb) settle as sediment | - |
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| (verb) deposit as a sediment | - |
| seduce | (verb) lure or entice away from duty, principles, or proper conduct | - |
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| (verb) induce to have sex | Synonyms: make, score |
| supersede | (verb) take the place or move into the position of | Synonyms: replace, supervene upon, supplant |
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