To help prove or show that something is true.

having official permission or approval. To officially or legally allow or give permission.

group of people organized for joint purpose.

continuing or valid to final destination. From the beginning of something until the end. By a particular way or process; by the use of.

outside. without it being case that. in absence of.

instance of buying or selling something. An exchange in business usually involving money.

facts provided or learned.

contained as part of whole being considered. To make someone, something part of a group.

act or process bringing change. Exchanges of one set of clothes for another. To go from one train, bus, etc. and go to another.

thing constituting piece of evidence about past. Highest or most extreme levels achieved. To indicate a temperature, speed, etc.; register.

Person in a court who judges criminal cases.

Done by or to a particular person; individual. advertisement in personal column of newspaper.

covering wide area in terms of space or scope.

thing that is needed or wanted. Some things that are a necessity.

arranged in categories. newspaper advertisements. To arrange things into groups of similar items.