a person who contributes to the fulfillment of a need or furtherance of an effort or purpose; "my invaluable assistant"; "they hired additional help to finish the work"
presently existing in fact and not merely potential or possible; "the predicted temperature and the actual temperature were markedly different"; "actual and imagined conditions"
being or existing at the present moment; "the ship's actual position is 22 miles due south of Key West"
taking place in reality; not pretended or imitated; "we saw the actual wedding on television"; "filmed the actual beating"
existing in act or fact; "rocks and trees...the actual world"; "actual heroism"; "the actual things that produced the emotion you experienced"
being or reflecting the essential or genuine character of something; "her actual motive"; "a literal solitude like a desert"- G.K.Chesterton; "a genuine dilemma"
a knowledge domain that you are interested in or are communicating about; "it was a limited domain of discourse"; "here we enter the region of opinion"; "the realm of the occult"
territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land"
the set of values of the independent variable for which a function is defined