1. the quality or state of being compatible; the ability to exist or work together without conflict
Usage: abstract noun form of compatible; commonly used in technical and interpersonal contexts

Examples

• The compatibleness of the two software systems made the integration process smooth.
• Their compatibleness as roommates was evident from day one.
• The engineer tested the compatibleness of the new hardware with existing equipment.
• The compatibleness of their work schedules allowed them to collaborate effectively.
• We need to verify the compatibleness of these materials before proceeding with construction.
• The compatibleness between the two cultures helped foster a strong friendship.