convention
This word operates on the axis of agreement, whether that agreement is unspoken and social or written and legal. When referring to social norms, it suggests a shared expectation that provides stability and predictability to human interaction, often carrying a connotation of tradition or rigidity. In the context of gatherings or treaties, the word evokes a sense of scale and formality. It implies a structured assembly where individuals or nations align their goals, moving from a state of fragmentation to a state of collective consensus.
Countable when referring to a specific event or a formal treaty. Uncountable when referring to the general state of following traditional social norms.
Meanings
A way in which something is usually done, especially within a particular area or activity.
"The convention is to shake hands when meeting for the first time."