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

Examples

• The company decided to formalise their dress code policy.
• We need to formalise our agreement with a written contract.
• The government plans to formalise the new immigration procedures.
• They want to formalise their relationship by getting engaged.
• The university will formalise the new degree program next year.
• Management agreed to formalise the flexible working arrangements.