The term 'Genuine Article' is an idiom used to refer to something that is authentic and of high quality. It is often used to describe a person or thing that is the real deal. The crossword solutions for this term are MCCOY (3 letters), REALMCCOY (5 letters), THEREALMCCOY (9 letters), and THEREALTHING (12 letters). These solutions allude to the phrase 'the real McCoy, ' which is a variation of the original idiom and is used to emphasize the authenticity of something.