Definition: The natural world; that which consists of all things unaffected by or predating human technology, production, and design. (Compare ecosystem.)

Definition: The innate characteristics of a thing. What something will tend by its own constitution, to be or do. Distinct from what might be expected or intended.

Definition: The summary of everything that has to do with biological, chemical and physical states and events in the physical universe.

Definition: Conformity to that which is natural, as distinguished from that which is artificial, or forced, or remote from actual experience.

Definition: Kind, sort; character; quality.

Definition: Physical constitution or existence; the vital powers; the natural life.

Definition: Natural affection or reverence.

Definition: To endow with natural qualities.