To make or cause something to become characteristic of Berlin; to adopt Berlin fashions, manners, or styles.
From 'Berlin' plus the verb suffix -ize (meaning to cause to become or to make characteristic of), following standard English word-formation patterns.
In the 18th century, European nobles would 'berlinize' their courts by buying Berlin carriages and adopting Berlin fashions—it was how cultural influence spread before the internet made it instantaneous.
Complete word intelligence in one call. Free tier — 50 lookups/day.