1. to make something conform to or comply with a standard
Usage: British spelling; American spelling is ‘standardize’
2. to establish something as a standard or norm
Usage: British spelling; American spelling is ‘standardize’

Examples

• The company decided to standardise its procedures across all departments.
• We need to standardise the format of our reports.
• The government plans to standardise testing methods in schools.
• They worked to standardise the quality of products manufactured in different factories.
• The organization aims to standardise safety protocols industry-wide.
• It took years to standardise the measurement system across the country.