Firm conviction that something is the case.

Assumption: a thing that is accepted as true or as certain to happen, without proof.

(of one or more things) available as another possibility.

show or prove to be right or reasonable

Harm the good reputation of (someone or something).

Canals are waterways channels, or artificial waterways, for water conveyance, or to service water transport vehicles.

extremely large or great, especially in scale or degree

The envelope of gases surrounding the Earth or another planet.

A picture or pattern produced by arranging together small colored pieces of hard material, such as stone, tile, or glass.

Pitifully sad and abandoned or lonely.