verb (v)

• come up with (an idea, plan, explanation, theory, or principle) after a mental effort(verb.creation)

  Synonym:
  contrive, devise, excogitate, forge, formulate
  

  source: wordnet30
• make up something artificial or untrue(verb.creation)

  Synonym:
  cook up, fabricate, make up, manufacture
  

  source: wordnet30
• To come or light upon; to meet; to find.(verb)

  source: webster1913