1. relating to or characterized by agreement or harmony; in accord
Usage: formal or literary; rare in modern usage
2. of or relating to a concordat (a formal agreement, especially between a government and the Church)
Usage: technical; historical

Examples

• The two nations reached a concordal understanding on trade matters.
• A concordal agreement between the Vatican and the state resolved the religious dispute.
• The concordal nature of their relationship made collaboration effortless.
• The treaty established concordal principles for future negotiations.