A verification that something is true or has happened.
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.
An act whereby something conditional or voidable is made sure and unavoidable, especially the possession of an estate.
An act of refuting or disproving; the disproving of an argument, opinion, testimony, doctrine or theory by argument or countervailing proof; evidence of falseness.
A vocal answer to an attack on one's assertions.