verb (v)

• make formal or official(verb.social)

  Example:
  We formalized the appointment and gave him a title.
  

  Synonym:
  formalise
  

  source: wordnet30
• declare or make legally valid(verb.social)

  Synonym:
  formalise, validate
  Antonym:
  annul, avoid, invalidate, nullify, quash, void
  

  source: wordnet30
• To give form, or a certain form, to; to model.(verb)

  source: webster1913
• To affect formality.(verb)

  source: webster1913