1. Given formal standing or endorsement; made official or legitimate by the observance of proper procedures
   "The formalised process ensured all steps were properly documented";
   - formalized
    
2. Adhering strictly to prescribed forms, rules, or conventions, especially in art, religion, or behaviour
   "highly formalised plays like 'Waiting for Godot'";
   - formalistic, formalized

1. Make formal or official
   "We formalised the appointment and gave him a title";
   - formalize
    
2. Declare or make legally valid
   "The court formalised the contract";
   - validate, formalize

See also: official

Type of: adjudge, authorise [Brit], authorize, clear, declare, hold, pass

Antonym: quash