intitule

/ɪnˈtɪtʃul/
verb
  1. To give a title or name to something, especially a law or official document.
    • In legal contexts, lawmakers carefully intitule each bill to reflect its purpose.
    • The committee voted to intitule the new regulation 'The Clean Water Act.'
    • The author decided to intitule her book after the main character's journey.