noun (n)

• a formal and solemn declaration of objection(noun.communication)

  Example:
  The many protestations did not stay the execution.
  

  Synonym:
  protest
  

  source: wordnet30
• a strong declaration of protest(noun.communication)

  source: wordnet30
• The act of making a protest; a public avowal; a solemn declaration, especially of dissent.(noun)

  source: webster1913