Denominate
/dɪˈnɑːmɪneɪt/
Definition 1 of 2
Pro Tip 1/3Naming Importance
Understand that 'denominate' implies officially naming something, often with significance. 
The new planet was denominated by the discovery team.
Pro Tip 2/3Historical Terms
Used when giving a formal or historical name that's recognized over time. 
Famous monarchs are often denominated by their achievements.
Pro Tip 3/3Not Casual
More formal than 'name' or 'call', and not used in everyday conversation. 
The organization was denominated by its mission statement.