a belief that can guide behavior; "the architect has a theory that more is less"; "they killed him on the theory that dead men tell no tales"
a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena; "theories can incorporate facts and laws and tested hypotheses"; "true in fact and theory"
the act of arranging and adapting a piece of music
an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification"
an orderly grouping (of things or persons) considered as a unit; the result of arranging; "a flower arrangement"
able to attract interest or draw favorable attention; "He added an appealing and memorable figure to popular American mythology"- Vincent Starrett; "an appealing sense of humor"; "the idea of having enough money to retire at fifty is very appealing"
expressing earnest entreaty; "the appealing and frightened look worn by an injured dog"; "she holds out her hand for money, importunate, insistent"; "a pleading note in her voice"