WordWeb Online

1. Concerned with or characterized by rigorous adherence to recognized forms (especially in religion or art)
   "highly formalized plays like 'Waiting for Godot'"
   - formalistic, formalised [Brit]
    
2. Given formal standing or endorsement; made official or legitimate by the observance of proper procedures
   - formalised [Brit]

1. Make formal or official
   "We formalized the appointment and gave him a title"
   - formalise [Brit]
    
2. Declare or make legally valid
   - validate, formalise [Brit]

See also: formalism, formalization, official

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