noun (n)

• a substance prepared according to a formula(noun.substance)

  Synonym:
  preparation
  

  source: wordnet30
• inventing or contriving an idea or explanation and formulating it mentally(noun.act)

  Synonym:
  conceptualisation, conceptualization
  

  source: wordnet30
• the style of expressing yourself(noun.communication)

  Example:
  He suggested a better formulation.
  

  Synonym:
  expression
  

  source: wordnet30
• The act, process, or result of formulating or reducing to a formula.(noun)

  source: webster1913