the quality of being enduring and free from change or variation; "early mariners relied on the constancy of the trade winds"
faithfulness and dependability in personal attachments (especially sexual fidelity)
(psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation
highly significant or important especially bringing about or marking the beginning of a new development or era; "epochal decisions made by Roosevelt and Churchill"; "an epoch-making discovery"
a world organization of autonomous states that are united in allegiance to a central power but are not subordinate to it or to one another
the official name of some states in the United States (Massachusetts and Pennsylvania and Virginia and Kentucky) and associated territories (Puerto Rico)
the complex of emotional and intellectual attributes that determine a person's characteristic actions and reactions; "it is his nature to help others"
the essential qualities or characteristics by which something is recognized; "it is the nature of fire to burn"; "the true nature of jealousy"
a particular type of thing; "problems of this type are very difficult to solve"; "he's interested in trains and things of that nature"; "matters of a personal nature"
the natural physical world including plants and animals and landscapes etc.; "they tried to preserve nature as they found it"
a causal agent creating and controlling things in the universe; "the laws of nature"; "nature has seen to it that men are stronger than women"