Synonyms for Turn Down (same or very similar meaning)
WordNet sense 1 (refuse entrance or membership):
refuse, reject, refuse, reject, turn away
WordNet sense 2 (refuse to accept):
decline, pass up
WordNet sense 3 (reject with contempt):
disdain, pooh-pooh, scorn, spurn, freeze off
WordNet sense 4 (make lower or quieter):
lower, lour, lower
From the ODE community, based on WordNet
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