The term 'EXTRAVAGANTLY ORNATE' can be summed up with the word 'BAROQUE', which is a 7-letter crossword solution. BAROQUE is an artistic style that originated in Italy in the late 16th century and spread throughout Europe during the 17th and 18th centuries. It is characterized by elaborate ornamentation, dynamic movement, and grandeur. The style is often associated with extravagance and ornateness, making it a perfect fit for the term EXTRAVAGANTLY ORNATE.