concoct

Verb
  1. Make a concoction (of) by mixing (synset 201462525)
  2. Prepare or cook by mixing ingredients (synset 201670026)
    "concoct a strange mixture"
  3. Invent (synset 201638598)
    "trump up charges"
  4. Devise or invent (synset 201637684)
    "He thought up a plan to get rich quickly"; "no-one had ever thought of such a clever piece of software"

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