formalize > define

verb

• Make formal or official.
  • usage: "We formalized the appointment and gave him a title"
  • synonyms: formalise
• Declare or make legally valid.
  • synonyms: validate, formalise

• (v.i.) To affect formality.
• (v.t.) To render formal.
• (v.t.) To give form or a certain form, to; to model.