1. the quality or state of being in agreement, harmony, or correspondence
2. the quality of being appropriate or suitable to a particular situation or context

Examples

• There is a congruity between her words and her actions.
• The architect designed the modern building with congruity to the historic neighborhood.
• The congruity of the team's strategy with their goals led to success.
• He appreciated the congruity of the color scheme throughout the house.
• The congruity between theory and practice is essential in engineering.
• Her calm demeanor showed congruity with her peaceful philosophy.