1. the quality or state of being collective; the characteristic of belonging to or shared by a group rather than individuals
2. the principle or practice of collective action, ownership, or decision-making by a group
Usage: often used in political or social contexts

Examples

• The collectiveness of the team effort resulted in a successful project completion.
• In many indigenous cultures, collectiveness is valued more highly than individual achievement.
• The organization emphasized collectiveness by making all major decisions through group consensus.
• Collectiveness in the workplace can foster better communication and shared responsibility.
• The artist explored themes of collectiveness versus individuality in her latest exhibition.
• Strong collectiveness among the community members helped them respond quickly to the crisis.