1. to make something official or give it a definite structure
Usage: British spelling
2. to express something in a precise or systematic way
Usage: British spelling; often used in academic contexts

Examples

• The company formalises its hiring process with new guidelines.
• She formalises her research methodology in the paper.
• The government formalises the agreement through legislation.
• He formalises his teaching approach with structured lesson plans.
• The organization formalises its partnership with a signed contract.
• The professor formalises the theory using mathematical equations.