Definitions
1.NounAn official indicator that things will happen as planned."We will send you a written confirmation of your hotel booking."
2.NounA verification that something is true or has happened."The announcement in the newspaper was a confirmation of my suspicions."
3.NounA ceremony of sealing and conscious acknowledgement of the faith in many Christian churches, typically around the ages of 14 to 18; considered a sacrament in some churches, including Catholicism, but not in most Protestant churches.
4.NounAn act whereby something conditional or voidable is made sure and unavoidable, especially the possession of an estate.