An act whereby something conditional or voidable is made sure and unavoidable, especially the possession of an estate.
An official indicator that things will happen as planned.
A 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.
A verification that something is true or has happened.
An act or instance of retracting.
A continuous function from a topological space onto a subspace which is the identity on that subspace.
A statement printed or broadcast in a public forum which effects the withdrawal of an earlier assertion, and which concedes that the earlier assertion was in error.