1. devise or invent

    Synonyms : dream up, hatch, think of, think up
    Type Of : create by mental act, create mentally
  2. prepare or cook by mixing ingredients

    Synonyms : cook up
    Type Of : make, cook, fix, ready, prepare
    Examples :
    • concoct a strange mixture
  3. invent

    Synonyms : trump up
    Type Of : invent, fabricate, cook up, make up, manufacture
  4. make a concoction (of) by mixing

    Type Of : unify, amalgamate, commix, mingle, mix