1. to make medieval in character, style, or appearance; to give a medieval quality to something
Usage: chiefly British spelling; American English typically uses 'medievalize'; transitive verb

Examples

• The architect chose to medievalise the castle's interior with stone arches and tapestries.
• The film director decided to medievalise the set to create an authentic historical atmosphere.
• They medievalised the town square by adding period-appropriate decorations and structures.
• The designer's goal was to medievalise the garden with ancient-style fountains and pathways.