RECONCILIATION meaning : 1 : the act of causing two people or groups to become friendly again after an argument or disagreement; 2 : the process of finding a way to make two different ideas, facts, etc., exist or be true at the same time The meaning of RECONCILIATION is the action of reconciling : the state of being reconciled. How to use reconciliation in a sentence. Reconciliation is the act of getting two things to be compatible with one another. You might have a reconciliation with a former enemy, or your mom might call for a reconciliation between your spending habits and your diminishing bank account. RECONCILIATION meaning : 1. a situation in which two people or groups of people become friendly again after they have…. Learn more.