Pedestrianize is a term that is used to describe the act of transforming a street or road into a pedestrian-only zone. It is a popular trend in many cities across the world to promote a more sustainable and walkable environment. If you are looking for synonyms for pedestrianize, you could use words such as 'walkability,' 'car-free,' 'pedestrian-friendly,' 'bike-friendly,' 'mixed-use,' or 'human-scale.' Other similar phrases that convey the same idea are 'green streets,' 'open streets,' 'shared spaces,' and 'complete streets.' All these synonyms signify the creation of an urban space that is more conducive to active transportation, social interaction, and community engagement.