1. a large meeting or conference of people with shared interests or professions
2. a widely accepted custom, practice, or rule
3. a formal agreement between countries or groups
Usage: formal; political

Examples

• The comic book convention attracted thousands of fans.
• She attended the medical convention in Chicago.
• It's a social convention to shake hands when meeting someone.
• The convention of wearing black to funerals is common in many cultures.
• The Geneva Convention protects prisoners of war.
• Breaking social conventions can make people uncomfortable.
• The annual teachers' convention featured workshops and seminars.
• Following naming conventions makes code easier to read.